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Finding the Fourth Proportional to 502,999.35, 754,339.01 and 165,977.21

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Solution

The fourth proportional to 502,999.35, 754,339.01 and 165,977.21 is: 248,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,999.35 : 754,339.01 = 165,977.21 : x
  2. Step 2: Convert to fraction form
    502,999.35/754,339.01 = 165,977.21/x
  3. Step 3: Cross multiply
    502,999.35x = 754,339.01 × 165,977.21
  4. Step 4: Simplify right side
    502,999.35x = 125,203,079,672.38
  5. Step 5: Solve for x
    x = 125,203,079,672.38/502,999.35
  6. Step 6: Final answer
    x = 248,913.00

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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.