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Finding the Fourth Proportional to 218,946.80, 327,901.80 and 148,444.40

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Solution

The fourth proportional to 218,946.80, 327,901.80 and 148,444.40 is: 222,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,946.80 : 327,901.80 = 148,444.40 : x
  2. Step 2: Convert to fraction form
    218,946.80/327,901.80 = 148,444.40/x
  3. Step 3: Cross multiply
    218,946.80x = 327,901.80 × 148,444.40
  4. Step 4: Simplify right side
    218,946.80x = 48,675,185,959.92
  5. Step 5: Solve for x
    x = 48,675,185,959.92/218,946.80
  6. Step 6: Final answer
    x = 222,315.13

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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.