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Finding the Fourth Proportional to 976,798.80, 1,463,229.90 and 657,934.20

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Solution

The fourth proportional to 976,798.80, 1,463,229.90 and 657,934.20 is: 985,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,798.80 : 1,463,229.90 = 657,934.20 : x
  2. Step 2: Convert to fraction form
    976,798.80/1,463,229.90 = 657,934.20/x
  3. Step 3: Cross multiply
    976,798.80x = 1,463,229.90 × 657,934.20
  4. Step 4: Simplify right side
    976,798.80x = 962,708,993,672.58
  5. Step 5: Solve for x
    x = 962,708,993,672.58/976,798.80
  6. Step 6: Final answer
    x = 985,575.53

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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.