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Finding the Fourth Proportional to 454,649.94, 627,421.28 and 250,708.10

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Solution

The fourth proportional to 454,649.94, 627,421.28 and 250,708.10 is: 345,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,649.94 : 627,421.28 = 250,708.10 : x
  2. Step 2: Convert to fraction form
    454,649.94/627,421.28 = 250,708.10/x
  3. Step 3: Cross multiply
    454,649.94x = 627,421.28 × 250,708.10
  4. Step 4: Simplify right side
    454,649.94x = 157,299,592,617.72
  5. Step 5: Solve for x
    x = 157,299,592,617.72/454,649.94
  6. Step 6: Final answer
    x = 345,979.57

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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.