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Finding the Fourth Proportional to 635,835.66, 877,463.17 and 345,452.98

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Solution

The fourth proportional to 635,835.66, 877,463.17 and 345,452.98 is: 476,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,835.66 : 877,463.17 = 345,452.98 : x
  2. Step 2: Convert to fraction form
    635,835.66/877,463.17 = 345,452.98/x
  3. Step 3: Cross multiply
    635,835.66x = 877,463.17 × 345,452.98
  4. Step 4: Simplify right side
    635,835.66x = 303,122,263,859.46
  5. Step 5: Solve for x
    x = 303,122,263,859.46/635,835.66
  6. Step 6: Final answer
    x = 476,730.52

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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.