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Finding the Fourth Proportional to 573,895.68, 791,949.28 and 319,264

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Solution

The fourth proportional to 573,895.68, 791,949.28 and 319,264 is: 440,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,895.68 : 791,949.28 = 319,264 : x
  2. Step 2: Convert to fraction form
    573,895.68/791,949.28 = 319,264/x
  3. Step 3: Cross multiply
    573,895.68x = 791,949.28 × 319,264
  4. Step 4: Simplify right side
    573,895.68x = 252,840,894,929.92
  5. Step 5: Solve for x
    x = 252,840,894,929.92/573,895.68
  6. Step 6: Final answer
    x = 440,569.43

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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.