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Finding the Fourth Proportional to 955,699.80, 1,433,549.70 and 852,480.60

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Solution

The fourth proportional to 955,699.80, 1,433,549.70 and 852,480.60 is: 1,278,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,699.80 : 1,433,549.70 = 852,480.60 : x
  2. Step 2: Convert to fraction form
    955,699.80/1,433,549.70 = 852,480.60/x
  3. Step 3: Cross multiply
    955,699.80x = 1,433,549.70 × 852,480.60
  4. Step 4: Simplify right side
    955,699.80x = 1,222,073,308,385.82
  5. Step 5: Solve for x
    x = 1,222,073,308,385.82/955,699.80
  6. Step 6: Final answer
    x = 1,278,720.90

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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.