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Finding the Fourth Proportional to 426,257.79, 588,193.81 and 235,258.89

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Solution

The fourth proportional to 426,257.79, 588,193.81 and 235,258.89 is: 324,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,257.79 : 588,193.81 = 235,258.89 : x
  2. Step 2: Convert to fraction form
    426,257.79/588,193.81 = 235,258.89/x
  3. Step 3: Cross multiply
    426,257.79x = 588,193.81 × 235,258.89
  4. Step 4: Simplify right side
    426,257.79x = 138,377,822,845.47
  5. Step 5: Solve for x
    x = 138,377,822,845.47/426,257.79
  6. Step 6: Final answer
    x = 324,634.12

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1.5x scale

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.