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Finding the Fourth Proportional to 550,613.66, 825,362.78 and 373,138.60

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Solution

The fourth proportional to 550,613.66, 825,362.78 and 373,138.60 is: 559,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,613.66 : 825,362.78 = 373,138.60 : x
  2. Step 2: Convert to fraction form
    550,613.66/825,362.78 = 373,138.60/x
  3. Step 3: Cross multiply
    550,613.66x = 825,362.78 × 373,138.60
  4. Step 4: Simplify right side
    550,613.66x = 307,974,712,221.31
  5. Step 5: Solve for x
    x = 307,974,712,221.31/550,613.66
  6. Step 6: Final answer
    x = 559,329.95

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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.