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Finding the Fourth Proportional to 434,413.32, 599,480.64 and 253,113.90

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Solution

The fourth proportional to 434,413.32, 599,480.64 and 253,113.90 is: 349,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,413.32 : 599,480.64 = 253,113.90 : x
  2. Step 2: Convert to fraction form
    434,413.32/599,480.64 = 253,113.90/x
  3. Step 3: Cross multiply
    434,413.32x = 599,480.64 × 253,113.90
  4. Step 4: Simplify right side
    434,413.32x = 151,736,882,764.90
  5. Step 5: Solve for x
    x = 151,736,882,764.90/434,413.32
  6. Step 6: Final answer
    x = 349,291.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.