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Finding the Fourth Proportional to 468,935.92, 702,826.84 and 266,701.78

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Solution

The fourth proportional to 468,935.92, 702,826.84 and 266,701.78 is: 399,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,935.92 : 702,826.84 = 266,701.78 : x
  2. Step 2: Convert to fraction form
    468,935.92/702,826.84 = 266,701.78/x
  3. Step 3: Cross multiply
    468,935.92x = 702,826.84 × 266,701.78
  4. Step 4: Simplify right side
    468,935.92x = 187,445,169,259.78
  5. Step 5: Solve for x
    x = 187,445,169,259.78/468,935.92
  6. Step 6: Final answer
    x = 399,724.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.