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Finding the Fourth Proportional to 574,778.88, 862,168.32 and 175,421.75

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Solution

The fourth proportional to 574,778.88, 862,168.32 and 175,421.75 is: 263,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,778.88 : 862,168.32 = 175,421.75 : x
  2. Step 2: Convert to fraction form
    574,778.88/862,168.32 = 175,421.75/x
  3. Step 3: Cross multiply
    574,778.88x = 862,168.32 × 175,421.75
  4. Step 4: Simplify right side
    574,778.88x = 151,243,071,178.12
  5. Step 5: Solve for x
    x = 151,243,071,178.12/574,778.88
  6. Step 6: Final answer
    x = 263,132.62

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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.