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Finding the Fourth Proportional to 448,082.60, 672,123.90 and 224,133.80

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Solution

The fourth proportional to 448,082.60, 672,123.90 and 224,133.80 is: 336,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,082.60 : 672,123.90 = 224,133.80 : x
  2. Step 2: Convert to fraction form
    448,082.60/672,123.90 = 224,133.80/x
  3. Step 3: Cross multiply
    448,082.60x = 672,123.90 × 224,133.80
  4. Step 4: Simplify right side
    448,082.60x = 150,645,683,777.82
  5. Step 5: Solve for x
    x = 150,645,683,777.82/448,082.60
  6. Step 6: Final answer
    x = 336,200.70

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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.