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Finding the Fourth Proportional to 382,726.93, 574,089.84 and 130,033.66

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Solution

The fourth proportional to 382,726.93, 574,089.84 and 130,033.66 is: 195,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,726.93 : 574,089.84 = 130,033.66 : x
  2. Step 2: Convert to fraction form
    382,726.93/574,089.84 = 130,033.66/x
  3. Step 3: Cross multiply
    382,726.93x = 574,089.84 × 130,033.66
  4. Step 4: Simplify right side
    382,726.93x = 74,651,003,064.01
  5. Step 5: Solve for x
    x = 74,651,003,064.01/382,726.93
  6. Step 6: Final answer
    x = 195,050.30

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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.