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Finding the Fourth Proportional to 244,643.40, 337,580.76 and 137,191.20

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Solution

The fourth proportional to 244,643.40, 337,580.76 and 137,191.20 is: 189,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,643.40 : 337,580.76 = 137,191.20 : x
  2. Step 2: Convert to fraction form
    244,643.40/337,580.76 = 137,191.20/x
  3. Step 3: Cross multiply
    244,643.40x = 337,580.76 × 137,191.20
  4. Step 4: Simplify right side
    244,643.40x = 46,313,109,561.31
  5. Step 5: Solve for x
    x = 46,313,109,561.31/244,643.40
  6. Step 6: Final answer
    x = 189,308.64

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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.