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Finding the Fourth Proportional to 502,899.84, 754,188.42 and 165,864.72

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Solution

The fourth proportional to 502,899.84, 754,188.42 and 165,864.72 is: 248,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,899.84 : 754,188.42 = 165,864.72 : x
  2. Step 2: Convert to fraction form
    502,899.84/754,188.42 = 165,864.72/x
  3. Step 3: Cross multiply
    502,899.84x = 754,188.42 × 165,864.72
  4. Step 4: Simplify right side
    502,899.84x = 125,093,251,110.54
  5. Step 5: Solve for x
    x = 125,093,251,110.54/502,899.84
  6. Step 6: Final answer
    x = 248,743.87

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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.