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Finding the Fourth Proportional to 539,077.70, 808,616.55 and 165,052.10

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Solution

The fourth proportional to 539,077.70, 808,616.55 and 165,052.10 is: 247,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,077.70 : 808,616.55 = 165,052.10 : x
  2. Step 2: Convert to fraction form
    539,077.70/808,616.55 = 165,052.10/x
  3. Step 3: Cross multiply
    539,077.70x = 808,616.55 × 165,052.10
  4. Step 4: Simplify right side
    539,077.70x = 133,463,859,672.26
  5. Step 5: Solve for x
    x = 133,463,859,672.26/539,077.70
  6. Step 6: Final answer
    x = 247,578.15

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Similar ratio
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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.