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Finding the Fourth Proportional to 341,338.30, 512,007.45 and 215,367.10

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Solution

The fourth proportional to 341,338.30, 512,007.45 and 215,367.10 is: 323,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,338.30 : 512,007.45 = 215,367.10 : x
  2. Step 2: Convert to fraction form
    341,338.30/512,007.45 = 215,367.10/x
  3. Step 3: Cross multiply
    341,338.30x = 512,007.45 × 215,367.10
  4. Step 4: Simplify right side
    341,338.30x = 110,269,559,684.90
  5. Step 5: Solve for x
    x = 110,269,559,684.90/341,338.30
  6. Step 6: Final answer
    x = 323,050.65

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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.