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Finding the Fourth Proportional to 499,744.52, 749,616.76 and 144,758.64

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Solution

The fourth proportional to 499,744.52, 749,616.76 and 144,758.64 is: 217,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,744.52 : 749,616.76 = 144,758.64 : x
  2. Step 2: Convert to fraction form
    499,744.52/749,616.76 = 144,758.64/x
  3. Step 3: Cross multiply
    499,744.52x = 749,616.76 × 144,758.64
  4. Step 4: Simplify right side
    499,744.52x = 108,513,502,698.81
  5. Step 5: Solve for x
    x = 108,513,502,698.81/499,744.52
  6. Step 6: Final answer
    x = 217,137.95

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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.