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Finding the Fourth Proportional to 340,412.22, 510,694.16 and 103,773.33

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Solution

The fourth proportional to 340,412.22, 510,694.16 and 103,773.33 is: 155,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,412.22 : 510,694.16 = 103,773.33 : x
  2. Step 2: Convert to fraction form
    340,412.22/510,694.16 = 103,773.33/x
  3. Step 3: Cross multiply
    340,412.22x = 510,694.16 × 103,773.33
  4. Step 4: Simplify right side
    340,412.22x = 52,996,433,594.75
  5. Step 5: Solve for x
    x = 52,996,433,594.75/340,412.22
  6. Step 6: Final answer
    x = 155,683.11

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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.