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Finding the Fourth Proportional to 313,347.47, 432,373.88 and 179,185.55

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Solution

The fourth proportional to 313,347.47, 432,373.88 and 179,185.55 is: 247,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,347.47 : 432,373.88 = 179,185.55 : x
  2. Step 2: Convert to fraction form
    313,347.47/432,373.88 = 179,185.55/x
  3. Step 3: Cross multiply
    313,347.47x = 432,373.88 × 179,185.55
  4. Step 4: Simplify right side
    313,347.47x = 77,475,151,493.43
  5. Step 5: Solve for x
    x = 77,475,151,493.43/313,347.47
  6. Step 6: Final answer
    x = 247,249.97

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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.