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Finding the Fourth Proportional to 303,352.48, 418,374.48 and 227,769.76

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Solution

The fourth proportional to 303,352.48, 418,374.48 and 227,769.76 is: 314,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,352.48 : 418,374.48 = 227,769.76 : x
  2. Step 2: Convert to fraction form
    303,352.48/418,374.48 = 227,769.76/x
  3. Step 3: Cross multiply
    303,352.48x = 418,374.48 × 227,769.76
  4. Step 4: Simplify right side
    303,352.48x = 95,293,054,899.72
  5. Step 5: Solve for x
    x = 95,293,054,899.72/303,352.48
  6. Step 6: Final answer
    x = 314,133.10

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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.