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Finding the Fourth Proportional to 635,296.64, 876,710.32 and 348,835.01

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Solution

The fourth proportional to 635,296.64, 876,710.32 and 348,835.01 is: 481,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,296.64 : 876,710.32 = 348,835.01 : x
  2. Step 2: Convert to fraction form
    635,296.64/876,710.32 = 348,835.01/x
  3. Step 3: Cross multiply
    635,296.64x = 876,710.32 × 348,835.01
  4. Step 4: Simplify right side
    635,296.64x = 305,827,247,988.66
  5. Step 5: Solve for x
    x = 305,827,247,988.66/635,296.64
  6. Step 6: Final answer
    x = 481,392.83

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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.