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Finding the Fourth Proportional to 606,353.85, 909,533.48 and 157,042.80

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Solution

The fourth proportional to 606,353.85, 909,533.48 and 157,042.80 is: 235,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,353.85 : 909,533.48 = 157,042.80 : x
  2. Step 2: Convert to fraction form
    606,353.85/909,533.48 = 157,042.80/x
  3. Step 3: Cross multiply
    606,353.85x = 909,533.48 × 157,042.80
  4. Step 4: Simplify right side
    606,353.85x = 142,835,683,607.73
  5. Step 5: Solve for x
    x = 142,835,683,607.73/606,353.85
  6. Step 6: Final answer
    x = 235,564.90

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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.