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Finding the Fourth Proportional to 441,017.70, 661,526.55 and 219,833.70

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Solution

The fourth proportional to 441,017.70, 661,526.55 and 219,833.70 is: 329,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,017.70 : 661,526.55 = 219,833.70 : x
  2. Step 2: Convert to fraction form
    441,017.70/661,526.55 = 219,833.70/x
  3. Step 3: Cross multiply
    441,017.70x = 661,526.55 × 219,833.70
  4. Step 4: Simplify right side
    441,017.70x = 145,425,829,134.74
  5. Step 5: Solve for x
    x = 145,425,829,134.74/441,017.70
  6. Step 6: Final answer
    x = 329,750.55

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Similar ratio
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1.5x scale

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.