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Finding the Fourth Proportional to 346,711.44, 519,179.22 and 239,947.56

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Solution

The fourth proportional to 346,711.44, 519,179.22 and 239,947.56 is: 359,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,711.44 : 519,179.22 = 239,947.56 : x
  2. Step 2: Convert to fraction form
    346,711.44/519,179.22 = 239,947.56/x
  3. Step 3: Cross multiply
    346,711.44x = 519,179.22 × 239,947.56
  4. Step 4: Simplify right side
    346,711.44x = 124,575,787,041.70
  5. Step 5: Solve for x
    x = 124,575,787,041.70/346,711.44
  6. Step 6: Final answer
    x = 359,306.83

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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.