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Finding the Fourth Proportional to 581,604.40, 872,147.40 and 226,500.40

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Solution

The fourth proportional to 581,604.40, 872,147.40 and 226,500.40 is: 339,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,604.40 : 872,147.40 = 226,500.40 : x
  2. Step 2: Convert to fraction form
    581,604.40/872,147.40 = 226,500.40/x
  3. Step 3: Cross multiply
    581,604.40x = 872,147.40 × 226,500.40
  4. Step 4: Simplify right side
    581,604.40x = 197,541,734,958.96
  5. Step 5: Solve for x
    x = 197,541,734,958.96/581,604.40
  6. Step 6: Final answer
    x = 339,649.66

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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.