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Finding the Fourth Proportional to 574,762.30, 862,143.46 and 175,405.12

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Solution

The fourth proportional to 574,762.30, 862,143.46 and 175,405.12 is: 263,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,762.30 : 862,143.46 = 175,405.12 : x
  2. Step 2: Convert to fraction form
    574,762.30/862,143.46 = 175,405.12/x
  3. Step 3: Cross multiply
    574,762.30x = 862,143.46 × 175,405.12
  4. Step 4: Simplify right side
    574,762.30x = 151,224,377,058.52
  5. Step 5: Solve for x
    x = 151,224,377,058.52/574,762.30
  6. Step 6: Final answer
    x = 263,107.68

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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.