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Finding the Fourth Proportional to 218,476.40, 327,714.60 and 148,492.40

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Solution

The fourth proportional to 218,476.40, 327,714.60 and 148,492.40 is: 222,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,476.40 : 327,714.60 = 148,492.40 : x
  2. Step 2: Convert to fraction form
    218,476.40/327,714.60 = 148,492.40/x
  3. Step 3: Cross multiply
    218,476.40x = 327,714.60 × 148,492.40
  4. Step 4: Simplify right side
    218,476.40x = 48,663,127,469.04
  5. Step 5: Solve for x
    x = 48,663,127,469.04/218,476.40
  6. Step 6: Final answer
    x = 222,738.60

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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.