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Finding the Fourth Proportional to 227,062.40, 313,346.06 and 126,460.40

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Solution

The fourth proportional to 227,062.40, 313,346.06 and 126,460.40 is: 174,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,062.40 : 313,346.06 = 126,460.40 : x
  2. Step 2: Convert to fraction form
    227,062.40/313,346.06 = 126,460.40/x
  3. Step 3: Cross multiply
    227,062.40x = 313,346.06 × 126,460.40
  4. Step 4: Simplify right side
    227,062.40x = 39,625,868,086.02
  5. Step 5: Solve for x
    x = 39,625,868,086.02/227,062.40
  6. Step 6: Final answer
    x = 174,515.32

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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.