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Finding the Fourth Proportional to 370,387.53, 555,524.40 and 117,635.31

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Solution

The fourth proportional to 370,387.53, 555,524.40 and 117,635.31 is: 176,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,387.53 : 555,524.40 = 117,635.31 : x
  2. Step 2: Convert to fraction form
    370,387.53/555,524.40 = 117,635.31/x
  3. Step 3: Cross multiply
    370,387.53x = 555,524.40 × 117,635.31
  4. Step 4: Simplify right side
    370,387.53x = 65,349,285,006.56
  5. Step 5: Solve for x
    x = 65,349,285,006.56/370,387.53
  6. Step 6: Final answer
    x = 176,434.90

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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.