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Finding the Fourth Proportional to 236,497.10, 354,745.65 and 222,500.30

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Solution

The fourth proportional to 236,497.10, 354,745.65 and 222,500.30 is: 333,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,497.10 : 354,745.65 = 222,500.30 : x
  2. Step 2: Convert to fraction form
    236,497.10/354,745.65 = 222,500.30/x
  3. Step 3: Cross multiply
    236,497.10x = 354,745.65 × 222,500.30
  4. Step 4: Simplify right side
    236,497.10x = 78,931,013,548.70
  5. Step 5: Solve for x
    x = 78,931,013,548.70/236,497.10
  6. Step 6: Final answer
    x = 333,750.45

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1.5x scale

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.