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Finding the Fourth Proportional to 454,824, 627,670.08 and 253,632.96

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Solution

The fourth proportional to 454,824, 627,670.08 and 253,632.96 is: 350,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,824 : 627,670.08 = 253,632.96 : x
  2. Step 2: Convert to fraction form
    454,824/627,670.08 = 253,632.96/x
  3. Step 3: Cross multiply
    454,824x = 627,670.08 × 253,632.96
  4. Step 4: Simplify right side
    454,824x = 159,197,820,293.84
  5. Step 5: Solve for x
    x = 159,197,820,293.84/454,824
  6. Step 6: Final answer
    x = 350,020.71

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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.