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Finding the Fourth Proportional to 356,688.68, 492,224.78 and 195,545.05

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Solution

The fourth proportional to 356,688.68, 492,224.78 and 195,545.05 is: 269,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,688.68 : 492,224.78 = 195,545.05 : x
  2. Step 2: Convert to fraction form
    356,688.68/492,224.78 = 195,545.05/x
  3. Step 3: Cross multiply
    356,688.68x = 492,224.78 × 195,545.05
  4. Step 4: Simplify right side
    356,688.68x = 96,252,118,474.64
  5. Step 5: Solve for x
    x = 96,252,118,474.64/356,688.68
  6. Step 6: Final answer
    x = 269,849.10

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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.