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Finding the Fourth Proportional to 577,080.40, 865,669.80 and 150,672.80

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Solution

The fourth proportional to 577,080.40, 865,669.80 and 150,672.80 is: 226,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,080.40 : 865,669.80 = 150,672.80 : x
  2. Step 2: Convert to fraction form
    577,080.40/865,669.80 = 150,672.80/x
  3. Step 3: Cross multiply
    577,080.40x = 865,669.80 × 150,672.80
  4. Step 4: Simplify right side
    577,080.40x = 130,432,892,641.44
  5. Step 5: Solve for x
    x = 130,432,892,641.44/577,080.40
  6. Step 6: Final answer
    x = 226,022.05

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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.