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Finding the Fourth Proportional to 300,440.06, 450,894.92 and 132,076.70

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Solution

The fourth proportional to 300,440.06, 450,894.92 and 132,076.70 is: 198,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,440.06 : 450,894.92 = 132,076.70 : x
  2. Step 2: Convert to fraction form
    300,440.06/450,894.92 = 132,076.70/x
  3. Step 3: Cross multiply
    300,440.06x = 450,894.92 × 132,076.70
  4. Step 4: Simplify right side
    300,440.06x = 59,552,711,156.08
  5. Step 5: Solve for x
    x = 59,552,711,156.08/300,440.06
  6. Step 6: Final answer
    x = 198,218.28

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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.