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Finding the Fourth Proportional to 366,792.17, 550,346.64 and 198,431.10

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Solution

The fourth proportional to 366,792.17, 550,346.64 and 198,431.10 is: 297,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,792.17 : 550,346.64 = 198,431.10 : x
  2. Step 2: Convert to fraction form
    366,792.17/550,346.64 = 198,431.10/x
  3. Step 3: Cross multiply
    366,792.17x = 550,346.64 × 198,431.10
  4. Step 4: Simplify right side
    366,792.17x = 109,205,889,156.50
  5. Step 5: Solve for x
    x = 109,205,889,156.50/366,792.17
  6. Step 6: Final answer
    x = 297,732.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.