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Finding the Fourth Proportional to 508,400.91, 761,671.89 and 238,033.04

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Solution

The fourth proportional to 508,400.91, 761,671.89 and 238,033.04 is: 356,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,400.91 : 761,671.89 = 238,033.04 : x
  2. Step 2: Convert to fraction form
    508,400.91/761,671.89 = 238,033.04/x
  3. Step 3: Cross multiply
    508,400.91x = 761,671.89 × 238,033.04
  4. Step 4: Simplify right side
    508,400.91x = 181,303,071,650.89
  5. Step 5: Solve for x
    x = 181,303,071,650.89/508,400.91
  6. Step 6: Final answer
    x = 356,614.37

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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.