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Finding the Fourth Proportional to 867,444, 1,197,198.44 and 499,849.62

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Solution

The fourth proportional to 867,444, 1,197,198.44 and 499,849.62 is: 689,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,444 : 1,197,198.44 = 499,849.62 : x
  2. Step 2: Convert to fraction form
    867,444/1,197,198.44 = 499,849.62/x
  3. Step 3: Cross multiply
    867,444x = 1,197,198.44 × 499,849.62
  4. Step 4: Simplify right side
    867,444x = 598,419,185,298.59
  5. Step 5: Solve for x
    x = 598,419,185,298.59/867,444
  6. Step 6: Final answer
    x = 689,864.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.