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Finding the Fourth Proportional to 324,010.60, 485,959.86 and 146,476.32

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Solution

The fourth proportional to 324,010.60, 485,959.86 and 146,476.32 is: 219,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,010.60 : 485,959.86 = 146,476.32 : x
  2. Step 2: Convert to fraction form
    324,010.60/485,959.86 = 146,476.32/x
  3. Step 3: Cross multiply
    324,010.60x = 485,959.86 × 146,476.32
  4. Step 4: Simplify right side
    324,010.60x = 71,181,611,960.52
  5. Step 5: Solve for x
    x = 71,181,611,960.52/324,010.60
  6. Step 6: Final answer
    x = 219,689.15

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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.