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Finding the Fourth Proportional to 475,083.28, 655,599.16 and 283,997.84

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Solution

The fourth proportional to 475,083.28, 655,599.16 and 283,997.84 is: 391,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,083.28 : 655,599.16 = 283,997.84 : x
  2. Step 2: Convert to fraction form
    475,083.28/655,599.16 = 283,997.84/x
  3. Step 3: Cross multiply
    475,083.28x = 655,599.16 × 283,997.84
  4. Step 4: Simplify right side
    475,083.28x = 186,188,745,345.81
  5. Step 5: Solve for x
    x = 186,188,745,345.81/475,083.28
  6. Step 6: Final answer
    x = 391,907.59

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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.