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Finding the Fourth Proportional to 494,770.60, 742,058.70 and 162,346.60

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Solution

The fourth proportional to 494,770.60, 742,058.70 and 162,346.60 is: 243,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,770.60 : 742,058.70 = 162,346.60 : x
  2. Step 2: Convert to fraction form
    494,770.60/742,058.70 = 162,346.60/x
  3. Step 3: Cross multiply
    494,770.60x = 742,058.70 × 162,346.60
  4. Step 4: Simplify right side
    494,770.60x = 120,470,706,945.42
  5. Step 5: Solve for x
    x = 120,470,706,945.42/494,770.60
  6. Step 6: Final answer
    x = 243,488.01

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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.