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Finding the Fourth Proportional to 542,466.60, 813,687.10 and 148,482.60

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Solution

The fourth proportional to 542,466.60, 813,687.10 and 148,482.60 is: 222,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,466.60 : 813,687.10 = 148,482.60 : x
  2. Step 2: Convert to fraction form
    542,466.60/813,687.10 = 148,482.60/x
  3. Step 3: Cross multiply
    542,466.60x = 813,687.10 × 148,482.60
  4. Step 4: Simplify right side
    542,466.60x = 120,818,376,194.46
  5. Step 5: Solve for x
    x = 120,818,376,194.46/542,466.60
  6. Step 6: Final answer
    x = 222,720.40

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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.