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Finding the Fourth Proportional to 356,547.43, 492,036.15 and 195,408.46

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Solution

The fourth proportional to 356,547.43, 492,036.15 and 195,408.46 is: 269,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,547.43 : 492,036.15 = 195,408.46 : x
  2. Step 2: Convert to fraction form
    356,547.43/492,036.15 = 195,408.46/x
  3. Step 3: Cross multiply
    356,547.43x = 492,036.15 × 195,408.46
  4. Step 4: Simplify right side
    356,547.43x = 96,148,026,335.83
  5. Step 5: Solve for x
    x = 96,148,026,335.83/356,547.43
  6. Step 6: Final answer
    x = 269,664.06

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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.