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Finding the Fourth Proportional to 269,041.60, 403,562.40 and 240,011.20

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Solution

The fourth proportional to 269,041.60, 403,562.40 and 240,011.20 is: 360,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,041.60 : 403,562.40 = 240,011.20 : x
  2. Step 2: Convert to fraction form
    269,041.60/403,562.40 = 240,011.20/x
  3. Step 3: Cross multiply
    269,041.60x = 403,562.40 × 240,011.20
  4. Step 4: Simplify right side
    269,041.60x = 96,859,495,898.88
  5. Step 5: Solve for x
    x = 96,859,495,898.88/269,041.60
  6. Step 6: Final answer
    x = 360,016.80

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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.