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Finding the Fourth Proportional to 636,875.19, 955,429.43 and 262,694.07

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Solution

The fourth proportional to 636,875.19, 955,429.43 and 262,694.07 is: 394,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,875.19 : 955,429.43 = 262,694.07 : x
  2. Step 2: Convert to fraction form
    636,875.19/955,429.43 = 262,694.07/x
  3. Step 3: Cross multiply
    636,875.19x = 955,429.43 × 262,694.07
  4. Step 4: Simplify right side
    636,875.19x = 250,985,644,251.01
  5. Step 5: Solve for x
    x = 250,985,644,251.01/636,875.19
  6. Step 6: Final answer
    x = 394,089.22

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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.