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Finding the Fourth Proportional to 447,092.34, 670,671.18 and 147,560.82

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Solution

The fourth proportional to 447,092.34, 670,671.18 and 147,560.82 is: 221,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,092.34 : 670,671.18 = 147,560.82 : x
  2. Step 2: Convert to fraction form
    447,092.34/670,671.18 = 147,560.82/x
  3. Step 3: Cross multiply
    447,092.34x = 670,671.18 × 147,560.82
  4. Step 4: Simplify right side
    447,092.34x = 98,964,789,271.17
  5. Step 5: Solve for x
    x = 98,964,789,271.17/447,092.34
  6. Step 6: Final answer
    x = 221,352.01

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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.