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Finding the Fourth Proportional to 504,685.50, 756,654.57 and 304,959.12

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Solution

The fourth proportional to 504,685.50, 756,654.57 and 304,959.12 is: 457,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,685.50 : 756,654.57 = 304,959.12 : x
  2. Step 2: Convert to fraction form
    504,685.50/756,654.57 = 304,959.12/x
  3. Step 3: Cross multiply
    504,685.50x = 756,654.57 × 304,959.12
  4. Step 4: Simplify right side
    504,685.50x = 230,748,711,811.18
  5. Step 5: Solve for x
    x = 230,748,711,811.18/504,685.50
  6. Step 6: Final answer
    x = 457,212.88

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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.