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Finding the Fourth Proportional to 1,230,397.20, 1,845,595.80 and 566,845.20

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Solution

The fourth proportional to 1,230,397.20, 1,845,595.80 and 566,845.20 is: 850,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,397.20 : 1,845,595.80 = 566,845.20 : x
  2. Step 2: Convert to fraction form
    1,230,397.20/1,845,595.80 = 566,845.20/x
  3. Step 3: Cross multiply
    1,230,397.20x = 1,845,595.80 × 566,845.20
  4. Step 4: Simplify right side
    1,230,397.20x = 1,046,167,120,370.16
  5. Step 5: Solve for x
    x = 1,046,167,120,370.16/1,230,397.20
  6. Step 6: Final answer
    x = 850,267.80

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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.