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Finding the Fourth Proportional to 536,993.21, 740,866.20 and 332,970.68

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Solution

The fourth proportional to 536,993.21, 740,866.20 and 332,970.68 is: 459,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,993.21 : 740,866.20 = 332,970.68 : x
  2. Step 2: Convert to fraction form
    536,993.21/740,866.20 = 332,970.68/x
  3. Step 3: Cross multiply
    536,993.21x = 740,866.20 × 332,970.68
  4. Step 4: Simplify right side
    536,993.21x = 246,686,722,403.02
  5. Step 5: Solve for x
    x = 246,686,722,403.02/536,993.21
  6. Step 6: Final answer
    x = 459,385.18

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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.