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Finding the Fourth Proportional to 502,118.93, 753,289.11 and 165,145.97

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Solution

The fourth proportional to 502,118.93, 753,289.11 and 165,145.97 is: 247,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,118.93 : 753,289.11 = 165,145.97 : x
  2. Step 2: Convert to fraction form
    502,118.93/753,289.11 = 165,145.97/x
  3. Step 3: Cross multiply
    502,118.93x = 753,289.11 × 165,145.97
  4. Step 4: Simplify right side
    502,118.93x = 124,402,656,994.94
  5. Step 5: Solve for x
    x = 124,402,656,994.94/502,118.93
  6. Step 6: Final answer
    x = 247,755.36

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1.5x scale

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.