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Finding the Fourth Proportional to 615,907.28, 850,539 and 582,362.36

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Solution

The fourth proportional to 615,907.28, 850,539 and 582,362.36 is: 804,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,907.28 : 850,539 = 582,362.36 : x
  2. Step 2: Convert to fraction form
    615,907.28/850,539 = 582,362.36/x
  3. Step 3: Cross multiply
    615,907.28x = 850,539 × 582,362.36
  4. Step 4: Simplify right side
    615,907.28x = 495,321,899,312.04
  5. Step 5: Solve for x
    x = 495,321,899,312.04/615,907.28
  6. Step 6: Final answer
    x = 804,215.04

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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.