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Finding the Fourth Proportional to 367,053.73, 550,580.60 and 260,765.53

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Solution

The fourth proportional to 367,053.73, 550,580.60 and 260,765.53 is: 391,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,053.73 : 550,580.60 = 260,765.53 : x
  2. Step 2: Convert to fraction form
    367,053.73/550,580.60 = 260,765.53/x
  3. Step 3: Cross multiply
    367,053.73x = 550,580.60 × 260,765.53
  4. Step 4: Simplify right side
    367,053.73x = 143,572,441,966.72
  5. Step 5: Solve for x
    x = 143,572,441,966.72/367,053.73
  6. Step 6: Final answer
    x = 391,148.30

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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.