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Finding the Fourth Proportional to 646,732.62, 892,518.62 and 360,252.90

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Solution

The fourth proportional to 646,732.62, 892,518.62 and 360,252.90 is: 497,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,732.62 : 892,518.62 = 360,252.90 : x
  2. Step 2: Convert to fraction form
    646,732.62/892,518.62 = 360,252.90/x
  3. Step 3: Cross multiply
    646,732.62x = 892,518.62 × 360,252.90
  4. Step 4: Simplify right side
    646,732.62x = 321,532,419,357.73
  5. Step 5: Solve for x
    x = 321,532,419,357.73/646,732.62
  6. Step 6: Final answer
    x = 497,164.38

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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.