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Finding the Fourth Proportional to 532,764.36, 735,202.68 and 291,048

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Solution

The fourth proportional to 532,764.36, 735,202.68 and 291,048 is: 401,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,764.36 : 735,202.68 = 291,048 : x
  2. Step 2: Convert to fraction form
    532,764.36/735,202.68 = 291,048/x
  3. Step 3: Cross multiply
    532,764.36x = 735,202.68 × 291,048
  4. Step 4: Simplify right side
    532,764.36x = 213,979,269,608.64
  5. Step 5: Solve for x
    x = 213,979,269,608.64/532,764.36
  6. Step 6: Final answer
    x = 401,639.61

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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.