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Finding the Fourth Proportional to 439,040.28, 605,875.50 and 237,836.28

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Solution

The fourth proportional to 439,040.28, 605,875.50 and 237,836.28 is: 328,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,040.28 : 605,875.50 = 237,836.28 : x
  2. Step 2: Convert to fraction form
    439,040.28/605,875.50 = 237,836.28/x
  3. Step 3: Cross multiply
    439,040.28x = 605,875.50 × 237,836.28
  4. Step 4: Simplify right side
    439,040.28x = 144,099,175,063.14
  5. Step 5: Solve for x
    x = 144,099,175,063.14/439,040.28
  6. Step 6: Final answer
    x = 328,214.02

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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.