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Finding the Fourth Proportional to 356,691.05, 492,228.06 and 195,547.43

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Solution

The fourth proportional to 356,691.05, 492,228.06 and 195,547.43 is: 269,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,691.05 : 492,228.06 = 195,547.43 : x
  2. Step 2: Convert to fraction form
    356,691.05/492,228.06 = 195,547.43/x
  3. Step 3: Cross multiply
    356,691.05x = 492,228.06 × 195,547.43
  4. Step 4: Simplify right side
    356,691.05x = 96,253,932,106.89
  5. Step 5: Solve for x
    x = 96,253,932,106.89/356,691.05
  6. Step 6: Final answer
    x = 269,852.39

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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.