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Finding the Fourth Proportional to 569,139.40, 853,125.90 and 332,360.20

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Solution

The fourth proportional to 569,139.40, 853,125.90 and 332,360.20 is: 498,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,139.40 : 853,125.90 = 332,360.20 : x
  2. Step 2: Convert to fraction form
    569,139.40/853,125.90 = 332,360.20/x
  3. Step 3: Cross multiply
    569,139.40x = 853,125.90 × 332,360.20
  4. Step 4: Simplify right side
    569,139.40x = 283,545,094,749.18
  5. Step 5: Solve for x
    x = 283,545,094,749.18/569,139.40
  6. Step 6: Final answer
    x = 498,199.73

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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.