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Finding the Fourth Proportional to 569,342.40, 853,430.40 and 332,563.20

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Solution

The fourth proportional to 569,342.40, 853,430.40 and 332,563.20 is: 498,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,342.40 : 853,430.40 = 332,563.20 : x
  2. Step 2: Convert to fraction form
    569,342.40/853,430.40 = 332,563.20/x
  3. Step 3: Cross multiply
    569,342.40x = 853,430.40 × 332,563.20
  4. Step 4: Simplify right side
    569,342.40x = 283,819,544,801.28
  5. Step 5: Solve for x
    x = 283,819,544,801.28/569,342.40
  6. Step 6: Final answer
    x = 498,504.14

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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.