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Finding the Fourth Proportional to 333,581.25, 500,372.88 and 80,860.74

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Solution

The fourth proportional to 333,581.25, 500,372.88 and 80,860.74 is: 121,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,581.25 : 500,372.88 = 80,860.74 : x
  2. Step 2: Convert to fraction form
    333,581.25/500,372.88 = 80,860.74/x
  3. Step 3: Cross multiply
    333,581.25x = 500,372.88 × 80,860.74
  4. Step 4: Simplify right side
    333,581.25x = 40,460,521,352.73
  5. Step 5: Solve for x
    x = 40,460,521,352.73/333,581.25
  6. Step 6: Final answer
    x = 121,291.35

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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.