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Finding the Fourth Proportional to 356,033.98, 534,049.62 and 145,671.85

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Solution

The fourth proportional to 356,033.98, 534,049.62 and 145,671.85 is: 218,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,033.98 : 534,049.62 = 145,671.85 : x
  2. Step 2: Convert to fraction form
    356,033.98/534,049.62 = 145,671.85/x
  3. Step 3: Cross multiply
    356,033.98x = 534,049.62 × 145,671.85
  4. Step 4: Simplify right side
    356,033.98x = 77,795,996,137.20
  5. Step 5: Solve for x
    x = 77,795,996,137.20/356,033.98
  6. Step 6: Final answer
    x = 218,507.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.