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Finding the Fourth Proportional to 422,222.10, 633,793.95 and 235,598.10

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Solution

The fourth proportional to 422,222.10, 633,793.95 and 235,598.10 is: 353,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,222.10 : 633,793.95 = 235,598.10 : x
  2. Step 2: Convert to fraction form
    422,222.10/633,793.95 = 235,598.10/x
  3. Step 3: Cross multiply
    422,222.10x = 633,793.95 × 235,598.10
  4. Step 4: Simplify right side
    422,222.10x = 149,320,650,411.50
  5. Step 5: Solve for x
    x = 149,320,650,411.50/422,222.10
  6. Step 6: Final answer
    x = 353,654.27

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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.