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Finding the Fourth Proportional to 340,504.48, 510,579.35 and 127,096.90

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Solution

The fourth proportional to 340,504.48, 510,579.35 and 127,096.90 is: 190,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,504.48 : 510,579.35 = 127,096.90 : x
  2. Step 2: Convert to fraction form
    340,504.48/510,579.35 = 127,096.90/x
  3. Step 3: Cross multiply
    340,504.48x = 510,579.35 × 127,096.90
  4. Step 4: Simplify right side
    340,504.48x = 64,893,051,630.31
  5. Step 5: Solve for x
    x = 64,893,051,630.31/340,504.48
  6. Step 6: Final answer
    x = 190,579.14

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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.