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Finding the Fourth Proportional to 1,070,723.08, 1,608,594.54 and 1,010,199.88

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Solution

The fourth proportional to 1,070,723.08, 1,608,594.54 and 1,010,199.88 is: 1,517,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,723.08 : 1,608,594.54 = 1,010,199.88 : x
  2. Step 2: Convert to fraction form
    1,070,723.08/1,608,594.54 = 1,010,199.88/x
  3. Step 3: Cross multiply
    1,070,723.08x = 1,608,594.54 × 1,010,199.88
  4. Step 4: Simplify right side
    1,070,723.08x = 1,625,002,011,276.66
  5. Step 5: Solve for x
    x = 1,625,002,011,276.66/1,070,723.08
  6. Step 6: Final answer
    x = 1,517,667.87

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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.