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Finding the Fourth Proportional to 340,244.74, 510,390.60 and 115,513.48

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Solution

The fourth proportional to 340,244.74, 510,390.60 and 115,513.48 is: 173,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,244.74 : 510,390.60 = 115,513.48 : x
  2. Step 2: Convert to fraction form
    340,244.74/510,390.60 = 115,513.48/x
  3. Step 3: Cross multiply
    340,244.74x = 510,390.60 × 115,513.48
  4. Step 4: Simplify right side
    340,244.74x = 58,956,994,365.29
  5. Step 5: Solve for x
    x = 58,956,994,365.29/340,244.74
  6. Step 6: Final answer
    x = 173,278.19

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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.