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Finding the Fourth Proportional to 340,504.76, 510,579.77 and 127,097.18

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Solution

The fourth proportional to 340,504.76, 510,579.77 and 127,097.18 is: 190,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,504.76 : 510,579.77 = 127,097.18 : x
  2. Step 2: Convert to fraction form
    340,504.76/510,579.77 = 127,097.18/x
  3. Step 3: Cross multiply
    340,504.76x = 510,579.77 × 127,097.18
  4. Step 4: Simplify right side
    340,504.76x = 64,893,250,526.24
  5. Step 5: Solve for x
    x = 64,893,250,526.24/340,504.76
  6. Step 6: Final answer
    x = 190,579.57

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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.