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Finding the Fourth Proportional to 575,727.48, 863,589.96 and 155,003.76

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Solution

The fourth proportional to 575,727.48, 863,589.96 and 155,003.76 is: 232,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,727.48 : 863,589.96 = 155,003.76 : x
  2. Step 2: Convert to fraction form
    575,727.48/863,589.96 = 155,003.76/x
  3. Step 3: Cross multiply
    575,727.48x = 863,589.96 × 155,003.76
  4. Step 4: Simplify right side
    575,727.48x = 133,859,690,898.25
  5. Step 5: Solve for x
    x = 133,859,690,898.25/575,727.48
  6. Step 6: Final answer
    x = 232,505.30

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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.