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Finding the Fourth Proportional to 624,595.38, 861,935.76 and 338,108.10

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Solution

The fourth proportional to 624,595.38, 861,935.76 and 338,108.10 is: 466,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,595.38 : 861,935.76 = 338,108.10 : x
  2. Step 2: Convert to fraction form
    624,595.38/861,935.76 = 338,108.10/x
  3. Step 3: Cross multiply
    624,595.38x = 861,935.76 × 338,108.10
  4. Step 4: Simplify right side
    624,595.38x = 291,427,462,135.66
  5. Step 5: Solve for x
    x = 291,427,462,135.66/624,595.38
  6. Step 6: Final answer
    x = 466,586.00

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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.