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Finding the Fourth Proportional to 303,269.06, 418,511.31 and 169,133.06

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Solution

The fourth proportional to 303,269.06, 418,511.31 and 169,133.06 is: 233,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,269.06 : 418,511.31 = 169,133.06 : x
  2. Step 2: Convert to fraction form
    303,269.06/418,511.31 = 169,133.06/x
  3. Step 3: Cross multiply
    303,269.06x = 418,511.31 × 169,133.06
  4. Step 4: Simplify right side
    303,269.06x = 70,784,098,916.94
  5. Step 5: Solve for x
    x = 70,784,098,916.94/303,269.06
  6. Step 6: Final answer
    x = 233,403.63

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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.