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Finding the Fourth Proportional to 542,473.12, 813,698.88 and 168,495.04

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Solution

The fourth proportional to 542,473.12, 813,698.88 and 168,495.04 is: 252,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,473.12 : 813,698.88 = 168,495.04 : x
  2. Step 2: Convert to fraction form
    542,473.12/813,698.88 = 168,495.04/x
  3. Step 3: Cross multiply
    542,473.12x = 813,698.88 × 168,495.04
  4. Step 4: Simplify right side
    542,473.12x = 137,104,225,333.56
  5. Step 5: Solve for x
    x = 137,104,225,333.56/542,473.12
  6. Step 6: Final answer
    x = 252,739.21

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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.