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Finding the Fourth Proportional to 426,587.28, 588,686.82 and 235,596.57

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Solution

The fourth proportional to 426,587.28, 588,686.82 and 235,596.57 is: 325,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,587.28 : 588,686.82 = 235,596.57 : x
  2. Step 2: Convert to fraction form
    426,587.28/588,686.82 = 235,596.57/x
  3. Step 3: Cross multiply
    426,587.28x = 588,686.82 × 235,596.57
  4. Step 4: Simplify right side
    426,587.28x = 138,692,595,596.21
  5. Step 5: Solve for x
    x = 138,692,595,596.21/426,587.28
  6. Step 6: Final answer
    x = 325,121.26

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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.