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Finding the Fourth Proportional to 329,241.48, 493,523.24 and 129,480.90

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Solution

The fourth proportional to 329,241.48, 493,523.24 and 129,480.90 is: 194,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,241.48 : 493,523.24 = 129,480.90 : x
  2. Step 2: Convert to fraction form
    329,241.48/493,523.24 = 129,480.90/x
  3. Step 3: Cross multiply
    329,241.48x = 493,523.24 × 129,480.90
  4. Step 4: Simplify right side
    329,241.48x = 63,901,832,638.71
  5. Step 5: Solve for x
    x = 63,901,832,638.71/329,241.48
  6. Step 6: Final answer
    x = 194,088.04

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1.5x scale

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.