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Finding the Fourth Proportional to 574,843.20, 862,394.40 and 175,502.40

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Solution

The fourth proportional to 574,843.20, 862,394.40 and 175,502.40 is: 263,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,843.20 : 862,394.40 = 175,502.40 : x
  2. Step 2: Convert to fraction form
    574,843.20/862,394.40 = 175,502.40/x
  3. Step 3: Cross multiply
    574,843.20x = 862,394.40 × 175,502.40
  4. Step 4: Simplify right side
    574,843.20x = 151,352,286,946.56
  5. Step 5: Solve for x
    x = 151,352,286,946.56/574,843.20
  6. Step 6: Final answer
    x = 263,293.17

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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.