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Finding the Fourth Proportional to 321,027.36, 443,001.95 and 175,833.78

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Solution

The fourth proportional to 321,027.36, 443,001.95 and 175,833.78 is: 242,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,027.36 : 443,001.95 = 175,833.78 : x
  2. Step 2: Convert to fraction form
    321,027.36/443,001.95 = 175,833.78/x
  3. Step 3: Cross multiply
    321,027.36x = 443,001.95 × 175,833.78
  4. Step 4: Simplify right side
    321,027.36x = 77,894,706,536.70
  5. Step 5: Solve for x
    x = 77,894,706,536.70/321,027.36
  6. Step 6: Final answer
    x = 242,641.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.