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Finding the Fourth Proportional to 569,490.40, 854,365.20 and 332,711.20

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Solution

The fourth proportional to 569,490.40, 854,365.20 and 332,711.20 is: 499,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,490.40 : 854,365.20 = 332,711.20 : x
  2. Step 2: Convert to fraction form
    569,490.40/854,365.20 = 332,711.20/x
  3. Step 3: Cross multiply
    569,490.40x = 854,365.20 × 332,711.20
  4. Step 4: Simplify right side
    569,490.40x = 284,256,870,930.24
  5. Step 5: Solve for x
    x = 284,256,870,930.24/569,490.40
  6. Step 6: Final answer
    x = 499,142.52

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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.