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Finding the Fourth Proportional to 491,575.14, 737,649.30 and 207,248.28

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Solution

The fourth proportional to 491,575.14, 737,649.30 and 207,248.28 is: 310,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,575.14 : 737,649.30 = 207,248.28 : x
  2. Step 2: Convert to fraction form
    491,575.14/737,649.30 = 207,248.28/x
  3. Step 3: Cross multiply
    491,575.14x = 737,649.30 × 207,248.28
  4. Step 4: Simplify right side
    491,575.14x = 152,876,548,668.20
  5. Step 5: Solve for x
    x = 152,876,548,668.20/491,575.14
  6. Step 6: Final answer
    x = 310,993.25

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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.