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Finding the Fourth Proportional to 697,160.92, 962,002.98 and 391,197.24

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Solution

The fourth proportional to 697,160.92, 962,002.98 and 391,197.24 is: 539,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,160.92 : 962,002.98 = 391,197.24 : x
  2. Step 2: Convert to fraction form
    697,160.92/962,002.98 = 391,197.24/x
  3. Step 3: Cross multiply
    697,160.92x = 962,002.98 × 391,197.24
  4. Step 4: Simplify right side
    697,160.92x = 376,332,910,647.78
  5. Step 5: Solve for x
    x = 376,332,910,647.78/697,160.92
  6. Step 6: Final answer
    x = 539,807.81

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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.