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Finding the Fourth Proportional to 498,001.75, 747,009.11 and 165,577.75

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Solution

The fourth proportional to 498,001.75, 747,009.11 and 165,577.75 is: 248,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,001.75 : 747,009.11 = 165,577.75 : x
  2. Step 2: Convert to fraction form
    498,001.75/747,009.11 = 165,577.75/x
  3. Step 3: Cross multiply
    498,001.75x = 747,009.11 × 165,577.75
  4. Step 4: Simplify right side
    498,001.75x = 123,688,087,663.30
  5. Step 5: Solve for x
    x = 123,688,087,663.30/498,001.75
  6. Step 6: Final answer
    x = 248,368.78

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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.