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Finding the Fourth Proportional to 216,034.20, 323,468.10 and 216,034.20

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Solution

The fourth proportional to 216,034.20, 323,468.10 and 216,034.20 is: 323,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,034.20 : 323,468.10 = 216,034.20 : x
  2. Step 2: Convert to fraction form
    216,034.20/323,468.10 = 216,034.20/x
  3. Step 3: Cross multiply
    216,034.20x = 323,468.10 × 216,034.20
  4. Step 4: Simplify right side
    216,034.20x = 69,880,172,209.02
  5. Step 5: Solve for x
    x = 69,880,172,209.02/216,034.20
  6. Step 6: Final answer
    x = 323,468.10

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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.