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Finding the Fourth Proportional to 663,060.45, 994,597.59 and 530,781.57

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Solution

The fourth proportional to 663,060.45, 994,597.59 and 530,781.57 is: 796,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,060.45 : 994,597.59 = 530,781.57 : x
  2. Step 2: Convert to fraction form
    663,060.45/994,597.59 = 530,781.57/x
  3. Step 3: Cross multiply
    663,060.45x = 994,597.59 × 530,781.57
  4. Step 4: Simplify right side
    663,060.45x = 527,914,070,338.42
  5. Step 5: Solve for x
    x = 527,914,070,338.42/663,060.45
  6. Step 6: Final answer
    x = 796,177.89

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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.