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Finding the Fourth Proportional to 253,275.56, 349,539.25 and 144,382.49

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Solution

The fourth proportional to 253,275.56, 349,539.25 and 144,382.49 is: 199,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,275.56 : 349,539.25 = 144,382.49 : x
  2. Step 2: Convert to fraction form
    253,275.56/349,539.25 = 144,382.49/x
  3. Step 3: Cross multiply
    253,275.56x = 349,539.25 × 144,382.49
  4. Step 4: Simplify right side
    253,275.56x = 50,467,347,267.73
  5. Step 5: Solve for x
    x = 50,467,347,267.73/253,275.56
  6. Step 6: Final answer
    x = 199,258.65

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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.