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Finding the Fourth Proportional to 609,903.32, 842,086.68 and 466,413.44

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Solution

The fourth proportional to 609,903.32, 842,086.68 and 466,413.44 is: 643,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,903.32 : 842,086.68 = 466,413.44 : x
  2. Step 2: Convert to fraction form
    609,903.32/842,086.68 = 466,413.44/x
  3. Step 3: Cross multiply
    609,903.32x = 842,086.68 × 466,413.44
  4. Step 4: Simplify right side
    609,903.32x = 392,760,545,196.98
  5. Step 5: Solve for x
    x = 392,760,545,196.98/609,903.32
  6. Step 6: Final answer
    x = 643,971.81

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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.