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Finding the Fourth Proportional to 624,402, 861,674.76 and 337,924.17

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Solution

The fourth proportional to 624,402, 861,674.76 and 337,924.17 is: 466,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,402 : 861,674.76 = 337,924.17 : x
  2. Step 2: Convert to fraction form
    624,402/861,674.76 = 337,924.17/x
  3. Step 3: Cross multiply
    624,402x = 861,674.76 × 337,924.17
  4. Step 4: Simplify right side
    624,402x = 291,180,728,082.95
  5. Step 5: Solve for x
    x = 291,180,728,082.95/624,402
  6. Step 6: Final answer
    x = 466,335.35

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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.