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Finding the Fourth Proportional to 533,330.53, 735,982.00 and 315,550.43

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Solution

The fourth proportional to 533,330.53, 735,982.00 and 315,550.43 is: 435,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,330.53 : 735,982.00 = 315,550.43 : x
  2. Step 2: Convert to fraction form
    533,330.53/735,982.00 = 315,550.43/x
  3. Step 3: Cross multiply
    533,330.53x = 735,982.00 × 315,550.43
  4. Step 4: Simplify right side
    533,330.53x = 232,239,439,003.31
  5. Step 5: Solve for x
    x = 232,239,439,003.31/533,330.53
  6. Step 6: Final answer
    x = 435,451.24

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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.