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Finding the Fourth Proportional to 265,478.83, 398,276.52 and 195,144.91

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Solution

The fourth proportional to 265,478.83, 398,276.52 and 195,144.91 is: 292,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,478.83 : 398,276.52 = 195,144.91 : x
  2. Step 2: Convert to fraction form
    265,478.83/398,276.52 = 195,144.91/x
  3. Step 3: Cross multiply
    265,478.83x = 398,276.52 × 195,144.91
  4. Step 4: Simplify right side
    265,478.83x = 77,721,635,650.51
  5. Step 5: Solve for x
    x = 77,721,635,650.51/265,478.83
  6. Step 6: Final answer
    x = 292,760.20

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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.