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Finding the Fourth Proportional to 356,690.68, 492,227.54 and 195,547.05

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Solution

The fourth proportional to 356,690.68, 492,227.54 and 195,547.05 is: 269,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,690.68 : 492,227.54 = 195,547.05 : x
  2. Step 2: Convert to fraction form
    356,690.68/492,227.54 = 195,547.05/x
  3. Step 3: Cross multiply
    356,690.68x = 492,227.54 × 195,547.05
  4. Step 4: Simplify right side
    356,690.68x = 96,253,643,375.76
  5. Step 5: Solve for x
    x = 96,253,643,375.76/356,690.68
  6. Step 6: Final answer
    x = 269,851.86

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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.