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Finding the Fourth Proportional to 477,398.44, 658,826.76 and 262,555.12

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Solution

The fourth proportional to 477,398.44, 658,826.76 and 262,555.12 is: 362,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,398.44 : 658,826.76 = 262,555.12 : x
  2. Step 2: Convert to fraction form
    477,398.44/658,826.76 = 262,555.12/x
  3. Step 3: Cross multiply
    477,398.44x = 658,826.76 × 262,555.12
  4. Step 4: Simplify right side
    477,398.44x = 172,978,339,031.01
  5. Step 5: Solve for x
    x = 172,978,339,031.01/477,398.44
  6. Step 6: Final answer
    x = 362,335.37

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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.