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Finding the Fourth Proportional to 333,346.32, 500,074.56 and 108,641.52

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Solution

The fourth proportional to 333,346.32, 500,074.56 and 108,641.52 is: 162,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,346.32 : 500,074.56 = 108,641.52 : x
  2. Step 2: Convert to fraction form
    333,346.32/500,074.56 = 108,641.52/x
  3. Step 3: Cross multiply
    333,346.32x = 500,074.56 × 108,641.52
  4. Step 4: Simplify right side
    333,346.32x = 54,328,860,311.73
  5. Step 5: Solve for x
    x = 54,328,860,311.73/333,346.32
  6. Step 6: Final answer
    x = 162,980.23

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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.