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Finding the Fourth Proportional to 329,765.32, 494,656.50 and 89,881.19

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Solution

The fourth proportional to 329,765.32, 494,656.50 and 89,881.19 is: 134,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,765.32 : 494,656.50 = 89,881.19 : x
  2. Step 2: Convert to fraction form
    329,765.32/494,656.50 = 89,881.19/x
  3. Step 3: Cross multiply
    329,765.32x = 494,656.50 × 89,881.19
  4. Step 4: Simplify right side
    329,765.32x = 44,460,315,254.66
  5. Step 5: Solve for x
    x = 44,460,315,254.66/329,765.32
  6. Step 6: Final answer
    x = 134,824.11

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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.