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Finding the Fourth Proportional to 543,252.21, 749,652.72 and 301,534.85

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Solution

The fourth proportional to 543,252.21, 749,652.72 and 301,534.85 is: 416,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,252.21 : 749,652.72 = 301,534.85 : x
  2. Step 2: Convert to fraction form
    543,252.21/749,652.72 = 301,534.85/x
  3. Step 3: Cross multiply
    543,252.21x = 749,652.72 × 301,534.85
  4. Step 4: Simplify right side
    543,252.21x = 226,046,416,729.03
  5. Step 5: Solve for x
    x = 226,046,416,729.03/543,252.21
  6. Step 6: Final answer
    x = 416,098.48

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1.5x scale

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.