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Finding the Fourth Proportional to 543,617.34, 750,216.84 and 301,900.98

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Solution

The fourth proportional to 543,617.34, 750,216.84 and 301,900.98 is: 416,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,617.34 : 750,216.84 = 301,900.98 : x
  2. Step 2: Convert to fraction form
    543,617.34/750,216.84 = 301,900.98/x
  3. Step 3: Cross multiply
    543,617.34x = 750,216.84 × 301,900.98
  4. Step 4: Simplify right side
    543,617.34x = 226,491,199,208.50
  5. Step 5: Solve for x
    x = 226,491,199,208.50/543,617.34
  6. Step 6: Final answer
    x = 416,637.19

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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.