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Finding the Fourth Proportional to 569,165.40, 853,164.90 and 332,386.20

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Solution

The fourth proportional to 569,165.40, 853,164.90 and 332,386.20 is: 498,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,165.40 : 853,164.90 = 332,386.20 : x
  2. Step 2: Convert to fraction form
    569,165.40/853,164.90 = 332,386.20/x
  3. Step 3: Cross multiply
    569,165.40x = 853,164.90 × 332,386.20
  4. Step 4: Simplify right side
    569,165.40x = 283,580,239,084.38
  5. Step 5: Solve for x
    x = 283,580,239,084.38/569,165.40
  6. Step 6: Final answer
    x = 498,238.72

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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.