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Finding the Fourth Proportional to 448,366.56, 672,082.65 and 195,579.12

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Solution

The fourth proportional to 448,366.56, 672,082.65 and 195,579.12 is: 293,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,366.56 : 672,082.65 = 195,579.12 : x
  2. Step 2: Convert to fraction form
    448,366.56/672,082.65 = 195,579.12/x
  3. Step 3: Cross multiply
    448,366.56x = 672,082.65 × 195,579.12
  4. Step 4: Simplify right side
    448,366.56x = 131,445,333,254.27
  5. Step 5: Solve for x
    x = 131,445,333,254.27/448,366.56
  6. Step 6: Final answer
    x = 293,164.89

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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.