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Finding the Fourth Proportional to 569,235.40, 853,853.10 and 534,214.60

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Solution

The fourth proportional to 569,235.40, 853,853.10 and 534,214.60 is: 801,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,235.40 : 853,853.10 = 534,214.60 : x
  2. Step 2: Convert to fraction form
    569,235.40/853,853.10 = 534,214.60/x
  3. Step 3: Cross multiply
    569,235.40x = 853,853.10 × 534,214.60
  4. Step 4: Simplify right side
    569,235.40x = 456,140,792,275.26
  5. Step 5: Solve for x
    x = 456,140,792,275.26/569,235.40
  6. Step 6: Final answer
    x = 801,321.90

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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.