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Finding the Fourth Proportional to 710,234.91, 979,834.02 and 524,411.72

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Solution

The fourth proportional to 710,234.91, 979,834.02 and 524,411.72 is: 723,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,234.91 : 979,834.02 = 524,411.72 : x
  2. Step 2: Convert to fraction form
    710,234.91/979,834.02 = 524,411.72/x
  3. Step 3: Cross multiply
    710,234.91x = 979,834.02 × 524,411.72
  4. Step 4: Simplify right side
    710,234.91x = 513,836,438,843.54
  5. Step 5: Solve for x
    x = 513,836,438,843.54/710,234.91
  6. Step 6: Final answer
    x = 723,473.93

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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.