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Finding the Fourth Proportional to 592,856.20, 889,413.90 and 293,480.20

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Solution

The fourth proportional to 592,856.20, 889,413.90 and 293,480.20 is: 440,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,856.20 : 889,413.90 = 293,480.20 : x
  2. Step 2: Convert to fraction form
    592,856.20/889,413.90 = 293,480.20/x
  3. Step 3: Cross multiply
    592,856.20x = 889,413.90 × 293,480.20
  4. Step 4: Simplify right side
    592,856.20x = 261,025,369,254.78
  5. Step 5: Solve for x
    x = 261,025,369,254.78/592,856.20
  6. Step 6: Final answer
    x = 440,284.46

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Half scale
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Double scale
Find fourth proportional to 592,857.20, 889,415.40 and 293,481.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.