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Finding the Fourth Proportional to 635,729.92, 877,356.47 and 363,883.10

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Solution

The fourth proportional to 635,729.92, 877,356.47 and 363,883.10 is: 502,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,729.92 : 877,356.47 = 363,883.10 : x
  2. Step 2: Convert to fraction form
    635,729.92/877,356.47 = 363,883.10/x
  3. Step 3: Cross multiply
    635,729.92x = 877,356.47 × 363,883.10
  4. Step 4: Simplify right side
    635,729.92x = 319,255,185,902.46
  5. Step 5: Solve for x
    x = 319,255,185,902.46/635,729.92
  6. Step 6: Final answer
    x = 502,186.82

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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.