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Finding the Fourth Proportional to 325,294.89, 487,820.97 and 112,002.54

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Solution

The fourth proportional to 325,294.89, 487,820.97 and 112,002.54 is: 167,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,294.89 : 487,820.97 = 112,002.54 : x
  2. Step 2: Convert to fraction form
    325,294.89/487,820.97 = 112,002.54/x
  3. Step 3: Cross multiply
    325,294.89x = 487,820.97 × 112,002.54
  4. Step 4: Simplify right side
    325,294.89x = 54,637,187,705.26
  5. Step 5: Solve for x
    x = 54,637,187,705.26/325,294.89
  6. Step 6: Final answer
    x = 167,962.02

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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.