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Finding the Fourth Proportional to 624,361.48, 861,618.76 and 337,881.52

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Solution

The fourth proportional to 624,361.48, 861,618.76 and 337,881.52 is: 466,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,361.48 : 861,618.76 = 337,881.52 : x
  2. Step 2: Convert to fraction form
    624,361.48/861,618.76 = 337,881.52/x
  3. Step 3: Cross multiply
    624,361.48x = 861,618.76 × 337,881.52
  4. Step 4: Simplify right side
    624,361.48x = 291,125,056,289.32
  5. Step 5: Solve for x
    x = 291,125,056,289.32/624,361.48
  6. Step 6: Final answer
    x = 466,276.45

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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.