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Finding the Fourth Proportional to 360,129.24, 539,659.29 and 146,635.98

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Solution

The fourth proportional to 360,129.24, 539,659.29 and 146,635.98 is: 219,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,129.24 : 539,659.29 = 146,635.98 : x
  2. Step 2: Convert to fraction form
    360,129.24/539,659.29 = 146,635.98/x
  3. Step 3: Cross multiply
    360,129.24x = 539,659.29 × 146,635.98
  4. Step 4: Simplify right side
    360,129.24x = 79,133,468,855.25
  5. Step 5: Solve for x
    x = 79,133,468,855.25/360,129.24
  6. Step 6: Final answer
    x = 219,736.31

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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.