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Finding the Fourth Proportional to 656,593.80, 984,923.10 and 341,665.80

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Solution

The fourth proportional to 656,593.80, 984,923.10 and 341,665.80 is: 512,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,593.80 : 984,923.10 = 341,665.80 : x
  2. Step 2: Convert to fraction form
    656,593.80/984,923.10 = 341,665.80/x
  3. Step 3: Cross multiply
    656,593.80x = 984,923.10 × 341,665.80
  4. Step 4: Simplify right side
    656,593.80x = 336,514,538,899.98
  5. Step 5: Solve for x
    x = 336,514,538,899.98/656,593.80
  6. Step 6: Final answer
    x = 512,515.56

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Double scale
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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.