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Finding the Fourth Proportional to 448,082.60, 672,242.70 and 195,254.60

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Solution

The fourth proportional to 448,082.60, 672,242.70 and 195,254.60 is: 292,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,082.60 : 672,242.70 = 195,254.60 : x
  2. Step 2: Convert to fraction form
    448,082.60/672,242.70 = 195,254.60/x
  3. Step 3: Cross multiply
    448,082.60x = 672,242.70 × 195,254.60
  4. Step 4: Simplify right side
    448,082.60x = 131,258,479,491.42
  5. Step 5: Solve for x
    x = 131,258,479,491.42/448,082.60
  6. Step 6: Final answer
    x = 292,933.67

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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.