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Finding the Fourth Proportional to 610,512.20, 915,768.30 and 576,105.80

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Solution

The fourth proportional to 610,512.20, 915,768.30 and 576,105.80 is: 864,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,512.20 : 915,768.30 = 576,105.80 : x
  2. Step 2: Convert to fraction form
    610,512.20/915,768.30 = 576,105.80/x
  3. Step 3: Cross multiply
    610,512.20x = 915,768.30 × 576,105.80
  4. Step 4: Simplify right side
    610,512.20x = 527,579,429,086.14
  5. Step 5: Solve for x
    x = 527,579,429,086.14/610,512.20
  6. Step 6: Final answer
    x = 864,158.70

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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.