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Finding the Fourth Proportional to 314,225.97, 471,412.78 and 103,863.91

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Solution

The fourth proportional to 314,225.97, 471,412.78 and 103,863.91 is: 155,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,225.97 : 471,412.78 = 103,863.91 : x
  2. Step 2: Convert to fraction form
    314,225.97/471,412.78 = 103,863.91/x
  3. Step 3: Cross multiply
    314,225.97x = 471,412.78 × 103,863.91
  4. Step 4: Simplify right side
    314,225.97x = 48,962,773,116.58
  5. Step 5: Solve for x
    x = 48,962,773,116.58/314,225.97
  6. Step 6: Final answer
    x = 155,820.26

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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.