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Finding the Fourth Proportional to 253,524.84, 349,864.36 and 140,347.58

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Solution

The fourth proportional to 253,524.84, 349,864.36 and 140,347.58 is: 193,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,524.84 : 349,864.36 = 140,347.58 : x
  2. Step 2: Convert to fraction form
    253,524.84/349,864.36 = 140,347.58/x
  3. Step 3: Cross multiply
    253,524.84x = 349,864.36 × 140,347.58
  4. Step 4: Simplify right side
    253,524.84x = 49,102,616,254.25
  5. Step 5: Solve for x
    x = 49,102,616,254.25/253,524.84
  6. Step 6: Final answer
    x = 193,679.71

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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.