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Finding the Fourth Proportional to 426,586.78, 588,686.13 and 235,596.07

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Solution

The fourth proportional to 426,586.78, 588,686.13 and 235,596.07 is: 325,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,586.78 : 588,686.13 = 235,596.07 : x
  2. Step 2: Convert to fraction form
    426,586.78/588,686.13 = 235,596.07/x
  3. Step 3: Cross multiply
    426,586.78x = 588,686.13 × 235,596.07
  4. Step 4: Simplify right side
    426,586.78x = 138,692,138,691.51
  5. Step 5: Solve for x
    x = 138,692,138,691.51/426,586.78
  6. Step 6: Final answer
    x = 325,120.57

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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.