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Finding the Fourth Proportional to 367,319.76, 550,728.10 and 187,056.24

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Solution

The fourth proportional to 367,319.76, 550,728.10 and 187,056.24 is: 280,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,319.76 : 550,728.10 = 187,056.24 : x
  2. Step 2: Convert to fraction form
    367,319.76/550,728.10 = 187,056.24/x
  3. Step 3: Cross multiply
    367,319.76x = 550,728.10 × 187,056.24
  4. Step 4: Simplify right side
    367,319.76x = 103,017,127,648.34
  5. Step 5: Solve for x
    x = 103,017,127,648.34/367,319.76
  6. Step 6: Final answer
    x = 280,456.26

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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.