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Finding the Fourth Proportional to 340,758.98, 511,199.26 and 113,068.28

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Solution

The fourth proportional to 340,758.98, 511,199.26 and 113,068.28 is: 169,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,758.98 : 511,199.26 = 113,068.28 : x
  2. Step 2: Convert to fraction form
    340,758.98/511,199.26 = 113,068.28/x
  3. Step 3: Cross multiply
    340,758.98x = 511,199.26 × 113,068.28
  4. Step 4: Simplify right side
    340,758.98x = 57,800,423,574.69
  5. Step 5: Solve for x
    x = 57,800,423,574.69/340,758.98
  6. Step 6: Final answer
    x = 169,622.60

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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.