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Finding the Fourth Proportional to 499,904.65, 750,031.94 and 144,939.97

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Solution

The fourth proportional to 499,904.65, 750,031.94 and 144,939.97 is: 217,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,904.65 : 750,031.94 = 144,939.97 : x
  2. Step 2: Convert to fraction form
    499,904.65/750,031.94 = 144,939.97/x
  3. Step 3: Cross multiply
    499,904.65x = 750,031.94 × 144,939.97
  4. Step 4: Simplify right side
    499,904.65x = 108,709,606,882.64
  5. Step 5: Solve for x
    x = 108,709,606,882.64/499,904.65
  6. Step 6: Final answer
    x = 217,460.68

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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.