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Finding the Fourth Proportional to 635,335.64, 876,783.90 and 367,063.64

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Solution

The fourth proportional to 635,335.64, 876,783.90 and 367,063.64 is: 506,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,335.64 : 876,783.90 = 367,063.64 : x
  2. Step 2: Convert to fraction form
    635,335.64/876,783.90 = 367,063.64/x
  3. Step 3: Cross multiply
    635,335.64x = 876,783.90 × 367,063.64
  4. Step 4: Simplify right side
    635,335.64x = 321,835,489,827.40
  5. Step 5: Solve for x
    x = 321,835,489,827.40/635,335.64
  6. Step 6: Final answer
    x = 506,559.79

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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.