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Finding the Fourth Proportional to 550,269.70, 825,404.55 and 363,281.20

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Solution

The fourth proportional to 550,269.70, 825,404.55 and 363,281.20 is: 544,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,269.70 : 825,404.55 = 363,281.20 : x
  2. Step 2: Convert to fraction form
    550,269.70/825,404.55 = 363,281.20/x
  3. Step 3: Cross multiply
    550,269.70x = 825,404.55 × 363,281.20
  4. Step 4: Simplify right side
    550,269.70x = 299,853,955,409.46
  5. Step 5: Solve for x
    x = 299,853,955,409.46/550,269.70
  6. Step 6: Final answer
    x = 544,921.80

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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.