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Finding the Fourth Proportional to 398,652.06, 598,258.29 and 360,537.77

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Solution

The fourth proportional to 398,652.06, 598,258.29 and 360,537.77 is: 541,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,652.06 : 598,258.29 = 360,537.77 : x
  2. Step 2: Convert to fraction form
    398,652.06/598,258.29 = 360,537.77/x
  3. Step 3: Cross multiply
    398,652.06x = 598,258.29 × 360,537.77
  4. Step 4: Simplify right side
    398,652.06x = 215,694,706,769.32
  5. Step 5: Solve for x
    x = 215,694,706,769.32/398,652.06
  6. Step 6: Final answer
    x = 541,060.06

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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.