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Finding the Fourth Proportional to 359,195.46, 537,977.58 and 278,586.36

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Solution

The fourth proportional to 359,195.46, 537,977.58 and 278,586.36 is: 417,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,195.46 : 537,977.58 = 278,586.36 : x
  2. Step 2: Convert to fraction form
    359,195.46/537,977.58 = 278,586.36/x
  3. Step 3: Cross multiply
    359,195.46x = 537,977.58 × 278,586.36
  4. Step 4: Simplify right side
    359,195.46x = 149,873,215,773.81
  5. Step 5: Solve for x
    x = 149,873,215,773.81/359,195.46
  6. Step 6: Final answer
    x = 417,246.97

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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.