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Finding the Fourth Proportional to 447,580.80, 671,214.72 and 131,953.92

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Solution

The fourth proportional to 447,580.80, 671,214.72 and 131,953.92 is: 197,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,580.80 : 671,214.72 = 131,953.92 : x
  2. Step 2: Convert to fraction form
    447,580.80/671,214.72 = 131,953.92/x
  3. Step 3: Cross multiply
    447,580.80x = 671,214.72 × 131,953.92
  4. Step 4: Simplify right side
    447,580.80x = 88,569,413,465.70
  5. Step 5: Solve for x
    x = 88,569,413,465.70/447,580.80
  6. Step 6: Final answer
    x = 197,884.75

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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.