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Finding the Fourth Proportional to 782,225.83, 1,171,354.03 and 655,532.92

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Solution

The fourth proportional to 782,225.83, 1,171,354.03 and 655,532.92 is: 981,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,225.83 : 1,171,354.03 = 655,532.92 : x
  2. Step 2: Convert to fraction form
    782,225.83/1,171,354.03 = 655,532.92/x
  3. Step 3: Cross multiply
    782,225.83x = 1,171,354.03 × 655,532.92
  4. Step 4: Simplify right side
    782,225.83x = 767,861,127,639.67
  5. Step 5: Solve for x
    x = 767,861,127,639.67/782,225.83
  6. Step 6: Final answer
    x = 981,636.12

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1.5x scale

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.