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Finding the Fourth Proportional to 533,347.61, 736,012.50 and 303,918.46

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Solution

The fourth proportional to 533,347.61, 736,012.50 and 303,918.46 is: 419,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,347.61 : 736,012.50 = 303,918.46 : x
  2. Step 2: Convert to fraction form
    533,347.61/736,012.50 = 303,918.46/x
  3. Step 3: Cross multiply
    533,347.61x = 736,012.50 × 303,918.46
  4. Step 4: Simplify right side
    533,347.61x = 223,687,785,540.75
  5. Step 5: Solve for x
    x = 223,687,785,540.75/533,347.61
  6. Step 6: Final answer
    x = 419,403.37

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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.