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Finding the Fourth Proportional to 502,615.72, 754,017 and 165,679.98

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Solution

The fourth proportional to 502,615.72, 754,017 and 165,679.98 is: 248,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,615.72 : 754,017 = 165,679.98 : x
  2. Step 2: Convert to fraction form
    502,615.72/754,017 = 165,679.98/x
  3. Step 3: Cross multiply
    502,615.72x = 754,017 × 165,679.98
  4. Step 4: Simplify right side
    502,615.72x = 124,925,521,479.66
  5. Step 5: Solve for x
    x = 124,925,521,479.66/502,615.72
  6. Step 6: Final answer
    x = 248,550.76

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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.