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Finding the Fourth Proportional to 542,160.40, 813,240.60 and 148,176.40

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Solution

The fourth proportional to 542,160.40, 813,240.60 and 148,176.40 is: 222,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,160.40 : 813,240.60 = 148,176.40 : x
  2. Step 2: Convert to fraction form
    542,160.40/813,240.60 = 148,176.40/x
  3. Step 3: Cross multiply
    542,160.40x = 813,240.60 × 148,176.40
  4. Step 4: Simplify right side
    542,160.40x = 120,503,064,441.84
  5. Step 5: Solve for x
    x = 120,503,064,441.84/542,160.40
  6. Step 6: Final answer
    x = 222,264.60

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Similar ratio
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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.