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Finding the Fourth Proportional to 625,143.52, 936,690.13 and 265,026.63

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Solution

The fourth proportional to 625,143.52, 936,690.13 and 265,026.63 is: 397,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,143.52 : 936,690.13 = 265,026.63 : x
  2. Step 2: Convert to fraction form
    625,143.52/936,690.13 = 265,026.63/x
  3. Step 3: Cross multiply
    625,143.52x = 936,690.13 × 265,026.63
  4. Step 4: Simplify right side
    625,143.52x = 248,247,830,861.26
  5. Step 5: Solve for x
    x = 248,247,830,861.26/625,143.52
  6. Step 6: Final answer
    x = 397,105.34

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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.