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Finding the Fourth Proportional to 667,565.76, 995,393.64 and 593,382.72

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Solution

The fourth proportional to 667,565.76, 995,393.64 and 593,382.72 is: 884,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,565.76 : 995,393.64 = 593,382.72 : x
  2. Step 2: Convert to fraction form
    667,565.76/995,393.64 = 593,382.72/x
  3. Step 3: Cross multiply
    667,565.76x = 995,393.64 × 593,382.72
  4. Step 4: Simplify right side
    667,565.76x = 590,649,385,573.90
  5. Step 5: Solve for x
    x = 590,649,385,573.90/667,565.76
  6. Step 6: Final answer
    x = 884,780.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.