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Finding the Fourth Proportional to 224,470.80, 336,538.80 and 135,705.60

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Solution

The fourth proportional to 224,470.80, 336,538.80 and 135,705.60 is: 203,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,470.80 : 336,538.80 = 135,705.60 : x
  2. Step 2: Convert to fraction form
    224,470.80/336,538.80 = 135,705.60/x
  3. Step 3: Cross multiply
    224,470.80x = 336,538.80 × 135,705.60
  4. Step 4: Simplify right side
    224,470.80x = 45,670,199,777.28
  5. Step 5: Solve for x
    x = 45,670,199,777.28/224,470.80
  6. Step 6: Final answer
    x = 203,457.20

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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.