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Finding the Fourth Proportional to 324,795, 487,134.96 and 88,156.08

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Solution

The fourth proportional to 324,795, 487,134.96 and 88,156.08 is: 132,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,795 : 487,134.96 = 88,156.08 : x
  2. Step 2: Convert to fraction form
    324,795/487,134.96 = 88,156.08/x
  3. Step 3: Cross multiply
    324,795x = 487,134.96 × 88,156.08
  4. Step 4: Simplify right side
    324,795x = 42,943,908,504.56
  5. Step 5: Solve for x
    x = 42,943,908,504.56/324,795
  6. Step 6: Final answer
    x = 132,218.50

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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.