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Finding the Fourth Proportional to 325,173.12, 487,710.46 and 88,534.45

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Solution

The fourth proportional to 325,173.12, 487,710.46 and 88,534.45 is: 132,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,173.12 : 487,710.46 = 88,534.45 : x
  2. Step 2: Convert to fraction form
    325,173.12/487,710.46 = 88,534.45/x
  3. Step 3: Cross multiply
    325,173.12x = 487,710.46 × 88,534.45
  4. Step 4: Simplify right side
    325,173.12x = 43,179,177,335.35
  5. Step 5: Solve for x
    x = 43,179,177,335.35/325,173.12
  6. Step 6: Final answer
    x = 132,788.27

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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.