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Finding the Fourth Proportional to 894,060.80, 1,342,646.40 and 866,067.20

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Solution

The fourth proportional to 894,060.80, 1,342,646.40 and 866,067.20 is: 1,300,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,060.80 : 1,342,646.40 = 866,067.20 : x
  2. Step 2: Convert to fraction form
    894,060.80/1,342,646.40 = 866,067.20/x
  3. Step 3: Cross multiply
    894,060.80x = 1,342,646.40 × 866,067.20
  4. Step 4: Simplify right side
    894,060.80x = 1,162,822,008,238.08
  5. Step 5: Solve for x
    x = 1,162,822,008,238.08/894,060.80
  6. Step 6: Final answer
    x = 1,300,607.31

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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.