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Finding the Fourth Proportional to 615,764.81, 850,342.28 and 582,218.04

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Solution

The fourth proportional to 615,764.81, 850,342.28 and 582,218.04 is: 804,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,764.81 : 850,342.28 = 582,218.04 : x
  2. Step 2: Convert to fraction form
    615,764.81/850,342.28 = 582,218.04/x
  3. Step 3: Cross multiply
    615,764.81x = 850,342.28 × 582,218.04
  4. Step 4: Simplify right side
    615,764.81x = 495,084,612,679.64
  5. Step 5: Solve for x
    x = 495,084,612,679.64/615,764.81
  6. Step 6: Final answer
    x = 804,015.77

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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.