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Finding the Fourth Proportional to 697,098.76, 961,227.89 and 481,865.15

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Solution

The fourth proportional to 697,098.76, 961,227.89 and 481,865.15 is: 664,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,098.76 : 961,227.89 = 481,865.15 : x
  2. Step 2: Convert to fraction form
    697,098.76/961,227.89 = 481,865.15/x
  3. Step 3: Cross multiply
    697,098.76x = 961,227.89 × 481,865.15
  4. Step 4: Simplify right side
    697,098.76x = 463,182,225,910.26
  5. Step 5: Solve for x
    x = 463,182,225,910.26/697,098.76
  6. Step 6: Final answer
    x = 664,442.76

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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.