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Finding the Fourth Proportional to 303,012.66, 418,187.04 and 226,398.81

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Solution

The fourth proportional to 303,012.66, 418,187.04 and 226,398.81 is: 312,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,012.66 : 418,187.04 = 226,398.81 : x
  2. Step 2: Convert to fraction form
    303,012.66/418,187.04 = 226,398.81/x
  3. Step 3: Cross multiply
    303,012.66x = 418,187.04 × 226,398.81
  4. Step 4: Simplify right side
    303,012.66x = 94,677,048,213.42
  5. Step 5: Solve for x
    x = 94,677,048,213.42/303,012.66
  6. Step 6: Final answer
    x = 312,452.45

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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.