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Finding the Fourth Proportional to 897,698.80, 1,346,548.20 and 834,713.20

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Solution

The fourth proportional to 897,698.80, 1,346,548.20 and 834,713.20 is: 1,252,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,698.80 : 1,346,548.20 = 834,713.20 : x
  2. Step 2: Convert to fraction form
    897,698.80/1,346,548.20 = 834,713.20/x
  3. Step 3: Cross multiply
    897,698.80x = 1,346,548.20 × 834,713.20
  4. Step 4: Simplify right side
    897,698.80x = 1,123,981,556,976.24
  5. Step 5: Solve for x
    x = 1,123,981,556,976.24/897,698.80
  6. Step 6: Final answer
    x = 1,252,069.80

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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.