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Finding the Fourth Proportional to 426,793.96, 588,999.28 and 235,803.25

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Solution

The fourth proportional to 426,793.96, 588,999.28 and 235,803.25 is: 325,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,793.96 : 588,999.28 = 235,803.25 : x
  2. Step 2: Convert to fraction form
    426,793.96/588,999.28 = 235,803.25/x
  3. Step 3: Cross multiply
    426,793.96x = 588,999.28 × 235,803.25
  4. Step 4: Simplify right side
    426,793.96x = 138,887,941,526.66
  5. Step 5: Solve for x
    x = 138,887,941,526.66/426,793.96
  6. Step 6: Final answer
    x = 325,421.53

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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.