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Finding the Fourth Proportional to 324,887.92, 487,339.98 and 154,069.45

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Solution

The fourth proportional to 324,887.92, 487,339.98 and 154,069.45 is: 231,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,887.92 : 487,339.98 = 154,069.45 : x
  2. Step 2: Convert to fraction form
    324,887.92/487,339.98 = 154,069.45/x
  3. Step 3: Cross multiply
    324,887.92x = 487,339.98 × 154,069.45
  4. Step 4: Simplify right side
    324,887.92x = 75,084,202,681.61
  5. Step 5: Solve for x
    x = 75,084,202,681.61/324,887.92
  6. Step 6: Final answer
    x = 231,108.02

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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.