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Finding the Fourth Proportional to 454,490.92, 627,200.58 and 253,299.88

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Solution

The fourth proportional to 454,490.92, 627,200.58 and 253,299.88 is: 349,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,490.92 : 627,200.58 = 253,299.88 : x
  2. Step 2: Convert to fraction form
    454,490.92/627,200.58 = 253,299.88/x
  3. Step 3: Cross multiply
    454,490.92x = 627,200.58 × 253,299.88
  4. Step 4: Simplify right side
    454,490.92x = 158,869,831,649.93
  5. Step 5: Solve for x
    x = 158,869,831,649.93/454,490.92
  6. Step 6: Final answer
    x = 349,555.57

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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.