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Finding the Fourth Proportional to 504,351.52, 756,553.20 and 130,377.76

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Solution

The fourth proportional to 504,351.52, 756,553.20 and 130,377.76 is: 195,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,351.52 : 756,553.20 = 130,377.76 : x
  2. Step 2: Convert to fraction form
    504,351.52/756,553.20 = 130,377.76/x
  3. Step 3: Cross multiply
    504,351.52x = 756,553.20 × 130,377.76
  4. Step 4: Simplify right side
    504,351.52x = 98,637,711,536.83
  5. Step 5: Solve for x
    x = 98,637,711,536.83/504,351.52
  6. Step 6: Final answer
    x = 195,573.34

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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.