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Finding the Fourth Proportional to 502,055.80, 753,083.70 and 169,631.80

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Solution

The fourth proportional to 502,055.80, 753,083.70 and 169,631.80 is: 254,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,055.80 : 753,083.70 = 169,631.80 : x
  2. Step 2: Convert to fraction form
    502,055.80/753,083.70 = 169,631.80/x
  3. Step 3: Cross multiply
    502,055.80x = 753,083.70 × 169,631.80
  4. Step 4: Simplify right side
    502,055.80x = 127,746,943,581.66
  5. Step 5: Solve for x
    x = 127,746,943,581.66/502,055.80
  6. Step 6: Final answer
    x = 254,447.70

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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.