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Finding the Fourth Proportional to 502,295.40, 753,546.89 and 165,356.26

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Solution

The fourth proportional to 502,295.40, 753,546.89 and 165,356.26 is: 248,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,295.40 : 753,546.89 = 165,356.26 : x
  2. Step 2: Convert to fraction form
    502,295.40/753,546.89 = 165,356.26/x
  3. Step 3: Cross multiply
    502,295.40x = 753,546.89 × 165,356.26
  4. Step 4: Simplify right side
    502,295.40x = 124,603,693,994.56
  5. Step 5: Solve for x
    x = 124,603,693,994.56/502,295.40
  6. Step 6: Final answer
    x = 248,068.55

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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.