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Finding the Fourth Proportional to 299,277.15, 448,919.68 and 99,597.57

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Solution

The fourth proportional to 299,277.15, 448,919.68 and 99,597.57 is: 149,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,277.15 : 448,919.68 = 99,597.57 : x
  2. Step 2: Convert to fraction form
    299,277.15/448,919.68 = 99,597.57/x
  3. Step 3: Cross multiply
    299,277.15x = 448,919.68 × 99,597.57
  4. Step 4: Simplify right side
    299,277.15x = 44,711,309,253.18
  5. Step 5: Solve for x
    x = 44,711,309,253.18/299,277.15
  6. Step 6: Final answer
    x = 149,397.67

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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.