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Finding the Fourth Proportional to 574,336.80, 861,688.80 and 175,053.60

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Solution

The fourth proportional to 574,336.80, 861,688.80 and 175,053.60 is: 262,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,336.80 : 861,688.80 = 175,053.60 : x
  2. Step 2: Convert to fraction form
    574,336.80/861,688.80 = 175,053.60/x
  3. Step 3: Cross multiply
    574,336.80x = 861,688.80 × 175,053.60
  4. Step 4: Simplify right side
    574,336.80x = 150,841,726,519.68
  5. Step 5: Solve for x
    x = 150,841,726,519.68/574,336.80
  6. Step 6: Final answer
    x = 262,636.36

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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.