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Finding the Fourth Proportional to 303,541.41, 418,497.74 and 248,892.23

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Solution

The fourth proportional to 303,541.41, 418,497.74 and 248,892.23 is: 343,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,541.41 : 418,497.74 = 248,892.23 : x
  2. Step 2: Convert to fraction form
    303,541.41/418,497.74 = 248,892.23/x
  3. Step 3: Cross multiply
    303,541.41x = 418,497.74 × 248,892.23
  4. Step 4: Simplify right side
    303,541.41x = 104,160,832,421.61
  5. Step 5: Solve for x
    x = 104,160,832,421.61/303,541.41
  6. Step 6: Final answer
    x = 343,151.97

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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.