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Finding the Fourth Proportional to 374,858.20, 562,287.30 and 108,627.40

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Solution

The fourth proportional to 374,858.20, 562,287.30 and 108,627.40 is: 162,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,858.20 : 562,287.30 = 108,627.40 : x
  2. Step 2: Convert to fraction form
    374,858.20/562,287.30 = 108,627.40/x
  3. Step 3: Cross multiply
    374,858.20x = 562,287.30 × 108,627.40
  4. Step 4: Simplify right side
    374,858.20x = 61,079,807,452.02
  5. Step 5: Solve for x
    x = 61,079,807,452.02/374,858.20
  6. Step 6: Final answer
    x = 162,941.10

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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.