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Finding the Fourth Proportional to 615,919.34, 850,555.50 and 582,374.36

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Solution

The fourth proportional to 615,919.34, 850,555.50 and 582,374.36 is: 804,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,919.34 : 850,555.50 = 582,374.36 : x
  2. Step 2: Convert to fraction form
    615,919.34/850,555.50 = 582,374.36/x
  3. Step 3: Cross multiply
    615,919.34x = 850,555.50 × 582,374.36
  4. Step 4: Simplify right side
    615,919.34x = 495,341,714,956.98
  5. Step 5: Solve for x
    x = 495,341,714,956.98/615,919.34
  6. Step 6: Final answer
    x = 804,231.47

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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.