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Finding the Fourth Proportional to 615,766.31, 850,344.35 and 582,219.54

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Solution

The fourth proportional to 615,766.31, 850,344.35 and 582,219.54 is: 804,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,766.31 : 850,344.35 = 582,219.54 : x
  2. Step 2: Convert to fraction form
    615,766.31/850,344.35 = 582,219.54/x
  3. Step 3: Cross multiply
    615,766.31x = 850,344.35 × 582,219.54
  4. Step 4: Simplify right side
    615,766.31x = 495,087,093,387.50
  5. Step 5: Solve for x
    x = 495,087,093,387.50/615,766.31
  6. Step 6: Final answer
    x = 804,017.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.