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Finding the Fourth Proportional to 228,316.49, 315,165.07 and 204,401.60

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Solution

The fourth proportional to 228,316.49, 315,165.07 and 204,401.60 is: 282,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,316.49 : 315,165.07 = 204,401.60 : x
  2. Step 2: Convert to fraction form
    228,316.49/315,165.07 = 204,401.60/x
  3. Step 3: Cross multiply
    228,316.49x = 315,165.07 × 204,401.60
  4. Step 4: Simplify right side
    228,316.49x = 64,420,244,572.11
  5. Step 5: Solve for x
    x = 64,420,244,572.11/228,316.49
  6. Step 6: Final answer
    x = 282,153.27

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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.