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Finding the Fourth Proportional to 606,617.12, 909,947.55 and 227,499.45

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Solution

The fourth proportional to 606,617.12, 909,947.55 and 227,499.45 is: 341,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,617.12 : 909,947.55 = 227,499.45 : x
  2. Step 2: Convert to fraction form
    606,617.12/909,947.55 = 227,499.45/x
  3. Step 3: Cross multiply
    606,617.12x = 909,947.55 × 227,499.45
  4. Step 4: Simplify right side
    606,617.12x = 207,012,567,153.85
  5. Step 5: Solve for x
    x = 207,012,567,153.85/606,617.12
  6. Step 6: Final answer
    x = 341,257.38

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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.