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Finding the Fourth Proportional to 955,698.80, 1,433,548.20 and 852,479.60

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Solution

The fourth proportional to 955,698.80, 1,433,548.20 and 852,479.60 is: 1,278,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,698.80 : 1,433,548.20 = 852,479.60 : x
  2. Step 2: Convert to fraction form
    955,698.80/1,433,548.20 = 852,479.60/x
  3. Step 3: Cross multiply
    955,698.80x = 1,433,548.20 × 852,479.60
  4. Step 4: Simplify right side
    955,698.80x = 1,222,070,596,116.72
  5. Step 5: Solve for x
    x = 1,222,070,596,116.72/955,698.80
  6. Step 6: Final answer
    x = 1,278,719.40

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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.