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Finding the Fourth Proportional to 427,724.60, 590,407.42 and 246,508.88

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Solution

The fourth proportional to 427,724.60, 590,407.42 and 246,508.88 is: 340,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,724.60 : 590,407.42 = 246,508.88 : x
  2. Step 2: Convert to fraction form
    427,724.60/590,407.42 = 246,508.88/x
  3. Step 3: Cross multiply
    427,724.60x = 590,407.42 × 246,508.88
  4. Step 4: Simplify right side
    427,724.60x = 145,540,671,847.89
  5. Step 5: Solve for x
    x = 145,540,671,847.89/427,724.60
  6. Step 6: Final answer
    x = 340,267.25

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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.