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Finding the Fourth Proportional to 635,995.64, 877,727.86 and 432,498.02

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Solution

The fourth proportional to 635,995.64, 877,727.86 and 432,498.02 is: 596,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,995.64 : 877,727.86 = 432,498.02 : x
  2. Step 2: Convert to fraction form
    635,995.64/877,727.86 = 432,498.02/x
  3. Step 3: Cross multiply
    635,995.64x = 877,727.86 × 432,498.02
  4. Step 4: Simplify right side
    635,995.64x = 379,615,561,548.84
  5. Step 5: Solve for x
    x = 379,615,561,548.84/635,995.64
  6. Step 6: Final answer
    x = 596,883.91

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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.