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Finding the Fourth Proportional to 426,790.33, 588,994.28 and 235,799.62

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Solution

The fourth proportional to 426,790.33, 588,994.28 and 235,799.62 is: 325,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,790.33 : 588,994.28 = 235,799.62 : x
  2. Step 2: Convert to fraction form
    426,790.33/588,994.28 = 235,799.62/x
  3. Step 3: Cross multiply
    426,790.33x = 588,994.28 × 235,799.62
  4. Step 4: Simplify right side
    426,790.33x = 138,884,627,406.17
  5. Step 5: Solve for x
    x = 138,884,627,406.17/426,790.33
  6. Step 6: Final answer
    x = 325,416.53

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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.