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Finding the Fourth Proportional to 502,612.17, 753,907.89 and 165,673.05

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Solution

The fourth proportional to 502,612.17, 753,907.89 and 165,673.05 is: 248,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,612.17 : 753,907.89 = 165,673.05 : x
  2. Step 2: Convert to fraction form
    502,612.17/753,907.89 = 165,673.05/x
  3. Step 3: Cross multiply
    502,612.17x = 753,907.89 × 165,673.05
  4. Step 4: Simplify right side
    502,612.17x = 124,902,219,555.36
  5. Step 5: Solve for x
    x = 124,902,219,555.36/502,612.17
  6. Step 6: Final answer
    x = 248,506.16

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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.