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Finding the Fourth Proportional to 624,612.42, 861,957.99 and 338,126.22

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Solution

The fourth proportional to 624,612.42, 861,957.99 and 338,126.22 is: 466,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,612.42 : 861,957.99 = 338,126.22 : x
  2. Step 2: Convert to fraction form
    624,612.42/861,957.99 = 338,126.22/x
  3. Step 3: Cross multiply
    624,612.42x = 861,957.99 × 338,126.22
  4. Step 4: Simplify right side
    624,612.42x = 291,450,596,957.50
  5. Step 5: Solve for x
    x = 291,450,596,957.50/624,612.42
  6. Step 6: Final answer
    x = 466,610.31

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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.