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Finding the Fourth Proportional to 426,355.98, 588,355.82 and 235,365.28

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Solution

The fourth proportional to 426,355.98, 588,355.82 and 235,365.28 is: 324,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,355.98 : 588,355.82 = 235,365.28 : x
  2. Step 2: Convert to fraction form
    426,355.98/588,355.82 = 235,365.28/x
  3. Step 3: Cross multiply
    426,355.98x = 588,355.82 × 235,365.28
  4. Step 4: Simplify right side
    426,355.98x = 138,478,532,313.93
  5. Step 5: Solve for x
    x = 138,478,532,313.93/426,355.98
  6. Step 6: Final answer
    x = 324,795.57

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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.