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Finding the Fourth Proportional to 363,435.12, 544,919.40 and 238,630.32

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Solution

The fourth proportional to 363,435.12, 544,919.40 and 238,630.32 is: 357,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,435.12 : 544,919.40 = 238,630.32 : x
  2. Step 2: Convert to fraction form
    363,435.12/544,919.40 = 238,630.32/x
  3. Step 3: Cross multiply
    363,435.12x = 544,919.40 × 238,630.32
  4. Step 4: Simplify right side
    363,435.12x = 130,034,290,796.21
  5. Step 5: Solve for x
    x = 130,034,290,796.21/363,435.12
  6. Step 6: Final answer
    x = 357,792.31

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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.