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Finding the Fourth Proportional to 502,055.25, 753,107.10 and 165,088.44

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Solution

The fourth proportional to 502,055.25, 753,107.10 and 165,088.44 is: 247,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,055.25 : 753,107.10 = 165,088.44 : x
  2. Step 2: Convert to fraction form
    502,055.25/753,107.10 = 165,088.44/x
  3. Step 3: Cross multiply
    502,055.25x = 753,107.10 × 165,088.44
  4. Step 4: Simplify right side
    502,055.25x = 124,329,276,291.92
  5. Step 5: Solve for x
    x = 124,329,276,291.92/502,055.25
  6. Step 6: Final answer
    x = 247,640.63

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Similar ratio
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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.