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Finding the Fourth Proportional to 463,262.93, 639,313.67 and 259,308.78

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Solution

The fourth proportional to 463,262.93, 639,313.67 and 259,308.78 is: 357,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,262.93 : 639,313.67 = 259,308.78 : x
  2. Step 2: Convert to fraction form
    463,262.93/639,313.67 = 259,308.78/x
  3. Step 3: Cross multiply
    463,262.93x = 639,313.67 × 259,308.78
  4. Step 4: Simplify right side
    463,262.93x = 165,779,648,453.30
  5. Step 5: Solve for x
    x = 165,779,648,453.30/463,262.93
  6. Step 6: Final answer
    x = 357,852.18

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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.