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Finding the Fourth Proportional to 479,750.85, 715,754.61 and 462,306.69

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Solution

The fourth proportional to 479,750.85, 715,754.61 and 462,306.69 is: 689,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,750.85 : 715,754.61 = 462,306.69 : x
  2. Step 2: Convert to fraction form
    479,750.85/715,754.61 = 462,306.69/x
  3. Step 3: Cross multiply
    479,750.85x = 715,754.61 × 462,306.69
  4. Step 4: Simplify right side
    479,750.85x = 330,898,144,601.34
  5. Step 5: Solve for x
    x = 330,898,144,601.34/479,750.85
  6. Step 6: Final answer
    x = 689,729.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.