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Finding the Fourth Proportional to 438,847.07, 605,600.35 and 245,256.56

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Solution

The fourth proportional to 438,847.07, 605,600.35 and 245,256.56 is: 338,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,847.07 : 605,600.35 = 245,256.56 : x
  2. Step 2: Convert to fraction form
    438,847.07/605,600.35 = 245,256.56/x
  3. Step 3: Cross multiply
    438,847.07x = 605,600.35 × 245,256.56
  4. Step 4: Simplify right side
    438,847.07x = 148,527,457,205.65
  5. Step 5: Solve for x
    x = 148,527,457,205.65/438,847.07
  6. Step 6: Final answer
    x = 338,449.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.