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Finding the Fourth Proportional to 228,428.22, 315,084.74 and 183,214.73

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Solution

The fourth proportional to 228,428.22, 315,084.74 and 183,214.73 is: 252,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,428.22 : 315,084.74 = 183,214.73 : x
  2. Step 2: Convert to fraction form
    228,428.22/315,084.74 = 183,214.73/x
  3. Step 3: Cross multiply
    228,428.22x = 315,084.74 × 183,214.73
  4. Step 4: Simplify right side
    228,428.22x = 57,728,165,437.86
  5. Step 5: Solve for x
    x = 57,728,165,437.86/228,428.22
  6. Step 6: Final answer
    x = 252,719.06

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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.