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Finding the Fourth Proportional to 635,617.80, 877,277.64 and 360,024.96

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Solution

The fourth proportional to 635,617.80, 877,277.64 and 360,024.96 is: 496,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,617.80 : 877,277.64 = 360,024.96 : x
  2. Step 2: Convert to fraction form
    635,617.80/877,277.64 = 360,024.96/x
  3. Step 3: Cross multiply
    635,617.80x = 877,277.64 × 360,024.96
  4. Step 4: Simplify right side
    635,617.80x = 315,841,847,249.89
  5. Step 5: Solve for x
    x = 315,841,847,249.89/635,617.80
  6. Step 6: Final answer
    x = 496,905.29

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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.