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Finding the Fourth Proportional to 340,372.20, 510,752.70 and 235,266.60

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Solution

The fourth proportional to 340,372.20, 510,752.70 and 235,266.60 is: 353,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,372.20 : 510,752.70 = 235,266.60 : x
  2. Step 2: Convert to fraction form
    340,372.20/510,752.70 = 235,266.60/x
  3. Step 3: Cross multiply
    340,372.20x = 510,752.70 × 235,266.60
  4. Step 4: Simplify right side
    340,372.20x = 120,163,051,169.82
  5. Step 5: Solve for x
    x = 120,163,051,169.82/340,372.20
  6. Step 6: Final answer
    x = 353,034.27

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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.