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Finding the Fourth Proportional to 523,948.88, 723,049.46 and 285,484.88

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Solution

The fourth proportional to 523,948.88, 723,049.46 and 285,484.88 is: 393,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,948.88 : 723,049.46 = 285,484.88 : x
  2. Step 2: Convert to fraction form
    523,948.88/723,049.46 = 285,484.88/x
  3. Step 3: Cross multiply
    523,948.88x = 723,049.46 × 285,484.88
  4. Step 4: Simplify right side
    523,948.88x = 206,419,683,279.49
  5. Step 5: Solve for x
    x = 206,419,683,279.49/523,948.88
  6. Step 6: Final answer
    x = 393,969.13

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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.