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Finding the Fourth Proportional to 367,041.15, 512,807.85 and 367,041.15

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Solution

The fourth proportional to 367,041.15, 512,807.85 and 367,041.15 is: 512,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,041.15 : 512,807.85 = 367,041.15 : x
  2. Step 2: Convert to fraction form
    367,041.15/512,807.85 = 367,041.15/x
  3. Step 3: Cross multiply
    367,041.15x = 512,807.85 × 367,041.15
  4. Step 4: Simplify right side
    367,041.15x = 188,221,582,993.03
  5. Step 5: Solve for x
    x = 188,221,582,993.03/367,041.15
  6. Step 6: Final answer
    x = 512,807.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.