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Finding the Fourth Proportional to 471,247.60, 706,871.40 and 246,521.20

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Solution

The fourth proportional to 471,247.60, 706,871.40 and 246,521.20 is: 369,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,247.60 : 706,871.40 = 246,521.20 : x
  2. Step 2: Convert to fraction form
    471,247.60/706,871.40 = 246,521.20/x
  3. Step 3: Cross multiply
    471,247.60x = 706,871.40 × 246,521.20
  4. Step 4: Simplify right side
    471,247.60x = 174,258,785,773.68
  5. Step 5: Solve for x
    x = 174,258,785,773.68/471,247.60
  6. Step 6: Final answer
    x = 369,781.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.