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Finding the Fourth Proportional to 398,899.20, 598,051.20 and 241,094.40

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Solution

The fourth proportional to 398,899.20, 598,051.20 and 241,094.40 is: 361,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,899.20 : 598,051.20 = 241,094.40 : x
  2. Step 2: Convert to fraction form
    398,899.20/598,051.20 = 241,094.40/x
  3. Step 3: Cross multiply
    398,899.20x = 598,051.20 × 241,094.40
  4. Step 4: Simplify right side
    398,899.20x = 144,186,795,233.28
  5. Step 5: Solve for x
    x = 144,186,795,233.28/398,899.20
  6. Step 6: Final answer
    x = 361,461.73

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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.