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Finding the Fourth Proportional to 627,932.80, 942,117.90 and 273,201.40

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Solution

The fourth proportional to 627,932.80, 942,117.90 and 273,201.40 is: 409,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,932.80 : 942,117.90 = 273,201.40 : x
  2. Step 2: Convert to fraction form
    627,932.80/942,117.90 = 273,201.40/x
  3. Step 3: Cross multiply
    627,932.80x = 942,117.90 × 273,201.40
  4. Step 4: Simplify right side
    627,932.80x = 257,387,929,245.06
  5. Step 5: Solve for x
    x = 257,387,929,245.06/627,932.80
  6. Step 6: Final answer
    x = 409,897.25

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1.5x scale

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.