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Finding the Fourth Proportional to 330,379.58, 495,549.32 and 117,158.04

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Solution

The fourth proportional to 330,379.58, 495,549.32 and 117,158.04 is: 175,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,379.58 : 495,549.32 = 117,158.04 : x
  2. Step 2: Convert to fraction form
    330,379.58/495,549.32 = 117,158.04/x
  3. Step 3: Cross multiply
    330,379.58x = 495,549.32 × 117,158.04
  4. Step 4: Simplify right side
    330,379.58x = 58,057,587,054.53
  5. Step 5: Solve for x
    x = 58,057,587,054.53/330,379.58
  6. Step 6: Final answer
    x = 175,729.95

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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.