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Finding the Fourth Proportional to 253,595.68, 349,962.04 and 140,418.44

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Solution

The fourth proportional to 253,595.68, 349,962.04 and 140,418.44 is: 193,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,595.68 : 349,962.04 = 140,418.44 : x
  2. Step 2: Convert to fraction form
    253,595.68/349,962.04 = 140,418.44/x
  3. Step 3: Cross multiply
    253,595.68x = 349,962.04 × 140,418.44
  4. Step 4: Simplify right side
    253,595.68x = 49,141,123,716.02
  5. Step 5: Solve for x
    x = 49,141,123,716.02/253,595.68
  6. Step 6: Final answer
    x = 193,777.45

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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.