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Finding the Fourth Proportional to 426,658.02, 588,776.82 and 235,667.28

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Solution

The fourth proportional to 426,658.02, 588,776.82 and 235,667.28 is: 325,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,658.02 : 588,776.82 = 235,667.28 : x
  2. Step 2: Convert to fraction form
    426,658.02/588,776.82 = 235,667.28/x
  3. Step 3: Cross multiply
    426,658.02x = 588,776.82 × 235,667.28
  4. Step 4: Simplify right side
    426,658.02x = 138,755,431,696.45
  5. Step 5: Solve for x
    x = 138,755,431,696.45/426,658.02
  6. Step 6: Final answer
    x = 325,214.63

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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.