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Finding the Fourth Proportional to 340,464.20, 510,805.65 and 150,851.30

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Solution

The fourth proportional to 340,464.20, 510,805.65 and 150,851.30 is: 226,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,464.20 : 510,805.65 = 150,851.30 : x
  2. Step 2: Convert to fraction form
    340,464.20/510,805.65 = 150,851.30/x
  3. Step 3: Cross multiply
    340,464.20x = 510,805.65 × 150,851.30
  4. Step 4: Simplify right side
    340,464.20x = 77,055,696,349.85
  5. Step 5: Solve for x
    x = 77,055,696,349.85/340,464.20
  6. Step 6: Final answer
    x = 226,325.40

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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.