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Finding the Fourth Proportional to 299,008.28, 448,586.25 and 88,646.22

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Solution

The fourth proportional to 299,008.28, 448,586.25 and 88,646.22 is: 132,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,008.28 : 448,586.25 = 88,646.22 : x
  2. Step 2: Convert to fraction form
    299,008.28/448,586.25 = 88,646.22/x
  3. Step 3: Cross multiply
    299,008.28x = 448,586.25 × 88,646.22
  4. Step 4: Simplify right side
    299,008.28x = 39,765,475,406.48
  5. Step 5: Solve for x
    x = 39,765,475,406.48/299,008.28
  6. Step 6: Final answer
    x = 132,991.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.