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Finding the Fourth Proportional to 468,900.08, 647,082.76 and 254,040.15

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Solution

The fourth proportional to 468,900.08, 647,082.76 and 254,040.15 is: 350,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,900.08 : 647,082.76 = 254,040.15 : x
  2. Step 2: Convert to fraction form
    468,900.08/647,082.76 = 254,040.15/x
  3. Step 3: Cross multiply
    468,900.08x = 647,082.76 × 254,040.15
  4. Step 4: Simplify right side
    468,900.08x = 164,385,001,412.81
  5. Step 5: Solve for x
    x = 164,385,001,412.81/468,900.08
  6. Step 6: Final answer
    x = 350,575.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.