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Finding the Fourth Proportional to 616,559.70, 922,514.03 and 363,977.60

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Solution

The fourth proportional to 616,559.70, 922,514.03 and 363,977.60 is: 544,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,559.70 : 922,514.03 = 363,977.60 : x
  2. Step 2: Convert to fraction form
    616,559.70/922,514.03 = 363,977.60/x
  3. Step 3: Cross multiply
    616,559.70x = 922,514.03 × 363,977.60
  4. Step 4: Simplify right side
    616,559.70x = 335,774,442,605.73
  5. Step 5: Solve for x
    x = 335,774,442,605.73/616,559.70
  6. Step 6: Final answer
    x = 544,593.56

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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.