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Finding the Fourth Proportional to 633,203.12, 948,296.98 and 366,401.36

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Solution

The fourth proportional to 633,203.12, 948,296.98 and 366,401.36 is: 548,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,203.12 : 948,296.98 = 366,401.36 : x
  2. Step 2: Convert to fraction form
    633,203.12/948,296.98 = 366,401.36/x
  3. Step 3: Cross multiply
    633,203.12x = 948,296.98 × 366,401.36
  4. Step 4: Simplify right side
    633,203.12x = 347,457,303,155.89
  5. Step 5: Solve for x
    x = 347,457,303,155.89/633,203.12
  6. Step 6: Final answer
    x = 548,729.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.