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Finding the Fourth Proportional to 499,048.52, 748,373.52 and 288,834.08

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Solution

The fourth proportional to 499,048.52, 748,373.52 and 288,834.08 is: 433,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,048.52 : 748,373.52 = 288,834.08 : x
  2. Step 2: Convert to fraction form
    499,048.52/748,373.52 = 288,834.08/x
  3. Step 3: Cross multiply
    499,048.52x = 748,373.52 × 288,834.08
  4. Step 4: Simplify right side
    499,048.52x = 216,155,777,145.56
  5. Step 5: Solve for x
    x = 216,155,777,145.56/499,048.52
  6. Step 6: Final answer
    x = 433,135.79

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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.