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Finding the Fourth Proportional to 482,547.88, 724,191.33 and 347,547.11

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Solution

The fourth proportional to 482,547.88, 724,191.33 and 347,547.11 is: 521,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,547.88 : 724,191.33 = 347,547.11 : x
  2. Step 2: Convert to fraction form
    482,547.88/724,191.33 = 347,547.11/x
  3. Step 3: Cross multiply
    482,547.88x = 724,191.33 × 347,547.11
  4. Step 4: Simplify right side
    482,547.88x = 251,690,601,510.90
  5. Step 5: Solve for x
    x = 251,690,601,510.90/482,547.88
  6. Step 6: Final answer
    x = 521,586.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.