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Finding the Fourth Proportional to 606,343.44, 909,511.48 and 157,063.12

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Solution

The fourth proportional to 606,343.44, 909,511.48 and 157,063.12 is: 235,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,343.44 : 909,511.48 = 157,063.12 : x
  2. Step 2: Convert to fraction form
    606,343.44/909,511.48 = 157,063.12/x
  3. Step 3: Cross multiply
    606,343.44x = 909,511.48 × 157,063.12
  4. Step 4: Simplify right side
    606,343.44x = 142,850,710,724.62
  5. Step 5: Solve for x
    x = 142,850,710,724.62/606,343.44
  6. Step 6: Final answer
    x = 235,593.73

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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.