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Finding the Fourth Proportional to 340,580.52, 510,886.98 and 130,236.48

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Solution

The fourth proportional to 340,580.52, 510,886.98 and 130,236.48 is: 195,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,580.52 : 510,886.98 = 130,236.48 : x
  2. Step 2: Convert to fraction form
    340,580.52/510,886.98 = 130,236.48/x
  3. Step 3: Cross multiply
    340,580.52x = 510,886.98 × 130,236.48
  4. Step 4: Simplify right side
    340,580.52x = 66,536,121,953.03
  5. Step 5: Solve for x
    x = 66,536,121,953.03/340,580.52
  6. Step 6: Final answer
    x = 195,360.91

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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.