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Finding the Fourth Proportional to 556,440.72, 834,358.95 and 252,668.04

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Solution

The fourth proportional to 556,440.72, 834,358.95 and 252,668.04 is: 378,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,440.72 : 834,358.95 = 252,668.04 : x
  2. Step 2: Convert to fraction form
    556,440.72/834,358.95 = 252,668.04/x
  3. Step 3: Cross multiply
    556,440.72x = 834,358.95 × 252,668.04
  4. Step 4: Simplify right side
    556,440.72x = 210,815,840,552.96
  5. Step 5: Solve for x
    x = 210,815,840,552.96/556,440.72
  6. Step 6: Final answer
    x = 378,864.87

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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.