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Finding the Fourth Proportional to 552,559.19, 762,515.16 and 334,896.65

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Solution

The fourth proportional to 552,559.19, 762,515.16 and 334,896.65 is: 462,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,559.19 : 762,515.16 = 334,896.65 : x
  2. Step 2: Convert to fraction form
    552,559.19/762,515.16 = 334,896.65/x
  3. Step 3: Cross multiply
    552,559.19x = 762,515.16 × 334,896.65
  4. Step 4: Simplify right side
    552,559.19x = 255,363,768,845.64
  5. Step 5: Solve for x
    x = 255,363,768,845.64/552,559.19
  6. Step 6: Final answer
    x = 462,147.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.