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Finding the Fourth Proportional to 444,518.74, 613,431.12 and 240,565.20

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Solution

The fourth proportional to 444,518.74, 613,431.12 and 240,565.20 is: 331,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,518.74 : 613,431.12 = 240,565.20 : x
  2. Step 2: Convert to fraction form
    444,518.74/613,431.12 = 240,565.20/x
  3. Step 3: Cross multiply
    444,518.74x = 613,431.12 × 240,565.20
  4. Step 4: Simplify right side
    444,518.74x = 147,570,180,069.02
  5. Step 5: Solve for x
    x = 147,570,180,069.02/444,518.74
  6. Step 6: Final answer
    x = 331,977.41

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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.