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Finding the Fourth Proportional to 439,046.28, 605,883.84 and 237,842.28

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Solution

The fourth proportional to 439,046.28, 605,883.84 and 237,842.28 is: 328,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,046.28 : 605,883.84 = 237,842.28 : x
  2. Step 2: Convert to fraction form
    439,046.28/605,883.84 = 237,842.28/x
  3. Step 3: Cross multiply
    439,046.28x = 605,883.84 × 237,842.28
  4. Step 4: Simplify right side
    439,046.28x = 144,104,793,920.76
  5. Step 5: Solve for x
    x = 144,104,793,920.76/439,046.28
  6. Step 6: Final answer
    x = 328,222.33

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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.