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Finding the Fourth Proportional to 426,258.79, 588,195.19 and 235,259.89

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Solution

The fourth proportional to 426,258.79, 588,195.19 and 235,259.89 is: 324,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,258.79 : 588,195.19 = 235,259.89 : x
  2. Step 2: Convert to fraction form
    426,258.79/588,195.19 = 235,259.89/x
  3. Step 3: Cross multiply
    426,258.79x = 588,195.19 × 235,259.89
  4. Step 4: Simplify right side
    426,258.79x = 138,378,735,697.93
  5. Step 5: Solve for x
    x = 138,378,735,697.93/426,258.79
  6. Step 6: Final answer
    x = 324,635.50

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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.