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Finding the Fourth Proportional to 225,034.40, 337,551.60 and 221,535.20

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Solution

The fourth proportional to 225,034.40, 337,551.60 and 221,535.20 is: 332,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,034.40 : 337,551.60 = 221,535.20 : x
  2. Step 2: Convert to fraction form
    225,034.40/337,551.60 = 221,535.20/x
  3. Step 3: Cross multiply
    225,034.40x = 337,551.60 × 221,535.20
  4. Step 4: Simplify right side
    225,034.40x = 74,779,561,216.32
  5. Step 5: Solve for x
    x = 74,779,561,216.32/225,034.40
  6. Step 6: Final answer
    x = 332,302.80

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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.