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Finding the Fourth Proportional to 569,343.40, 853,431.90 and 332,564.20

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Solution

The fourth proportional to 569,343.40, 853,431.90 and 332,564.20 is: 498,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,343.40 : 853,431.90 = 332,564.20 : x
  2. Step 2: Convert to fraction form
    569,343.40/853,431.90 = 332,564.20/x
  3. Step 3: Cross multiply
    569,343.40x = 853,431.90 × 332,564.20
  4. Step 4: Simplify right side
    569,343.40x = 283,820,897,077.98
  5. Step 5: Solve for x
    x = 283,820,897,077.98/569,343.40
  6. Step 6: Final answer
    x = 498,505.64

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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.