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Finding the Fourth Proportional to 224,978.04, 309,839.58 and 220,079.16

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Solution

The fourth proportional to 224,978.04, 309,839.58 and 220,079.16 is: 303,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,978.04 : 309,839.58 = 220,079.16 : x
  2. Step 2: Convert to fraction form
    224,978.04/309,839.58 = 220,079.16/x
  3. Step 3: Cross multiply
    224,978.04x = 309,839.58 × 220,079.16
  4. Step 4: Simplify right side
    224,978.04x = 68,189,234,501.15
  5. Step 5: Solve for x
    x = 68,189,234,501.15/224,978.04
  6. Step 6: Final answer
    x = 303,092.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.