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Finding the Fourth Proportional to 555,067.80, 832,601.70 and 302,250.60

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Solution

The fourth proportional to 555,067.80, 832,601.70 and 302,250.60 is: 453,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,067.80 : 832,601.70 = 302,250.60 : x
  2. Step 2: Convert to fraction form
    555,067.80/832,601.70 = 302,250.60/x
  3. Step 3: Cross multiply
    555,067.80x = 832,601.70 × 302,250.60
  4. Step 4: Simplify right side
    555,067.80x = 251,654,363,386.02
  5. Step 5: Solve for x
    x = 251,654,363,386.02/555,067.80
  6. Step 6: Final answer
    x = 453,375.90

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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.