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Finding the Fourth Proportional to 650,621.92, 897,886.31 and 360,233.48

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Solution

The fourth proportional to 650,621.92, 897,886.31 and 360,233.48 is: 497,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,621.92 : 897,886.31 = 360,233.48 : x
  2. Step 2: Convert to fraction form
    650,621.92/897,886.31 = 360,233.48/x
  3. Step 3: Cross multiply
    650,621.92x = 897,886.31 × 360,233.48
  4. Step 4: Simplify right side
    650,621.92x = 323,448,710,095.66
  5. Step 5: Solve for x
    x = 323,448,710,095.66/650,621.92
  6. Step 6: Final answer
    x = 497,137.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.