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Finding the Fourth Proportional to 575,178.52, 862,770 and 175,817.76

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Solution

The fourth proportional to 575,178.52, 862,770 and 175,817.76 is: 263,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,178.52 : 862,770 = 175,817.76 : x
  2. Step 2: Convert to fraction form
    575,178.52/862,770 = 175,817.76/x
  3. Step 3: Cross multiply
    575,178.52x = 862,770 × 175,817.76
  4. Step 4: Simplify right side
    575,178.52x = 151,690,288,795.20
  5. Step 5: Solve for x
    x = 151,690,288,795.20/575,178.52
  6. Step 6: Final answer
    x = 263,727.32

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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.