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Finding the Fourth Proportional to 688,557.37, 950,148.69 and 382,614.37

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Solution

The fourth proportional to 688,557.37, 950,148.69 and 382,614.37 is: 527,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,557.37 : 950,148.69 = 382,614.37 : x
  2. Step 2: Convert to fraction form
    688,557.37/950,148.69 = 382,614.37/x
  3. Step 3: Cross multiply
    688,557.37x = 950,148.69 × 382,614.37
  4. Step 4: Simplify right side
    688,557.37x = 363,540,542,430.68
  5. Step 5: Solve for x
    x = 363,540,542,430.68/688,557.37
  6. Step 6: Final answer
    x = 527,974.22

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Double scale
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Similar ratio
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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.