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Finding the Fourth Proportional to 426,256.79, 588,192.46 and 235,257.86

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Solution

The fourth proportional to 426,256.79, 588,192.46 and 235,257.86 is: 324,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,256.79 : 588,192.46 = 235,257.86 : x
  2. Step 2: Convert to fraction form
    426,256.79/588,192.46 = 235,257.86/x
  3. Step 3: Cross multiply
    426,256.79x = 588,192.46 × 235,257.86
  4. Step 4: Simplify right side
    426,256.79x = 138,376,900,290.07
  5. Step 5: Solve for x
    x = 138,376,900,290.07/426,256.79
  6. Step 6: Final answer
    x = 324,632.72

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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.