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Finding the Fourth Proportional to 417,649.53, 576,272.98 and 254,196.56

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Solution

The fourth proportional to 417,649.53, 576,272.98 and 254,196.56 is: 350,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,649.53 : 576,272.98 = 254,196.56 : x
  2. Step 2: Convert to fraction form
    417,649.53/576,272.98 = 254,196.56/x
  3. Step 3: Cross multiply
    417,649.53x = 576,272.98 × 254,196.56
  4. Step 4: Simplify right side
    417,649.53x = 146,486,609,136.95
  5. Step 5: Solve for x
    x = 146,486,609,136.95/417,649.53
  6. Step 6: Final answer
    x = 350,740.51

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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.