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Finding the Fourth Proportional to 650,090.80, 974,747.40 and 335,162.80

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Solution

The fourth proportional to 650,090.80, 974,747.40 and 335,162.80 is: 502,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,090.80 : 974,747.40 = 335,162.80 : x
  2. Step 2: Convert to fraction form
    650,090.80/974,747.40 = 335,162.80/x
  3. Step 3: Cross multiply
    650,090.80x = 974,747.40 × 335,162.80
  4. Step 4: Simplify right side
    650,090.80x = 326,699,067,876.72
  5. Step 5: Solve for x
    x = 326,699,067,876.72/650,090.80
  6. Step 6: Final answer
    x = 502,543.75

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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.