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Finding the Fourth Proportional to 374,860.38, 562,274.16 and 108,615

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Solution

The fourth proportional to 374,860.38, 562,274.16 and 108,615 is: 162,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,860.38 : 562,274.16 = 108,615 : x
  2. Step 2: Convert to fraction form
    374,860.38/562,274.16 = 108,615/x
  3. Step 3: Cross multiply
    374,860.38x = 562,274.16 × 108,615
  4. Step 4: Simplify right side
    374,860.38x = 61,071,407,888.40
  5. Step 5: Solve for x
    x = 61,071,407,888.40/374,860.38
  6. Step 6: Final answer
    x = 162,917.75

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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.