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Finding the Fourth Proportional to 253,598.36, 349,961.46 and 140,418.68

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Solution

The fourth proportional to 253,598.36, 349,961.46 and 140,418.68 is: 193,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,598.36 : 349,961.46 = 140,418.68 : x
  2. Step 2: Convert to fraction form
    253,598.36/349,961.46 = 140,418.68/x
  3. Step 3: Cross multiply
    253,598.36x = 349,961.46 × 140,418.68
  4. Step 4: Simplify right side
    253,598.36x = 49,141,126,264.07
  5. Step 5: Solve for x
    x = 49,141,126,264.07/253,598.36
  6. Step 6: Final answer
    x = 193,775.41

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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.