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Finding the Fourth Proportional to 624,209.45, 861,409.04 and 337,729.52

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Solution

The fourth proportional to 624,209.45, 861,409.04 and 337,729.52 is: 466,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,209.45 : 861,409.04 = 337,729.52 : x
  2. Step 2: Convert to fraction form
    624,209.45/861,409.04 = 337,729.52/x
  3. Step 3: Cross multiply
    624,209.45x = 861,409.04 × 337,729.52
  4. Step 4: Simplify right side
    624,209.45x = 290,923,261,602.86
  5. Step 5: Solve for x
    x = 290,923,261,602.86/624,209.45
  6. Step 6: Final answer
    x = 466,066.74

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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.