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Finding the Fourth Proportional to 264,508.58, 396,784.47 and 124,190.66

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Solution

The fourth proportional to 264,508.58, 396,784.47 and 124,190.66 is: 186,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,508.58 : 396,784.47 = 124,190.66 : x
  2. Step 2: Convert to fraction form
    264,508.58/396,784.47 = 124,190.66/x
  3. Step 3: Cross multiply
    264,508.58x = 396,784.47 × 124,190.66
  4. Step 4: Simplify right side
    264,508.58x = 49,276,925,207.05
  5. Step 5: Solve for x
    x = 49,276,925,207.05/264,508.58
  6. Step 6: Final answer
    x = 186,296.13

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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.