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Finding the Fourth Proportional to 299,015.70, 448,523.55 and 188,423.70

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Solution

The fourth proportional to 299,015.70, 448,523.55 and 188,423.70 is: 282,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,015.70 : 448,523.55 = 188,423.70 : x
  2. Step 2: Convert to fraction form
    299,015.70/448,523.55 = 188,423.70/x
  3. Step 3: Cross multiply
    299,015.70x = 448,523.55 × 188,423.70
  4. Step 4: Simplify right side
    299,015.70x = 84,512,466,828.14
  5. Step 5: Solve for x
    x = 84,512,466,828.14/299,015.70
  6. Step 6: Final answer
    x = 282,635.55

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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.