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Finding the Fourth Proportional to 533,871.40, 736,422.26 and 352,583.64

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Solution

The fourth proportional to 533,871.40, 736,422.26 and 352,583.64 is: 486,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,871.40 : 736,422.26 = 352,583.64 : x
  2. Step 2: Convert to fraction form
    533,871.40/736,422.26 = 352,583.64/x
  3. Step 3: Cross multiply
    533,871.40x = 736,422.26 × 352,583.64
  4. Step 4: Simplify right side
    533,871.40x = 259,650,441,007.83
  5. Step 5: Solve for x
    x = 259,650,441,007.83/533,871.40
  6. Step 6: Final answer
    x = 486,353.91

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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.