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Finding the Fourth Proportional to 292,286.70, 438,430.05 and 179,601.53

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Solution

The fourth proportional to 292,286.70, 438,430.05 and 179,601.53 is: 269,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,286.70 : 438,430.05 = 179,601.53 : x
  2. Step 2: Convert to fraction form
    292,286.70/438,430.05 = 179,601.53/x
  3. Step 3: Cross multiply
    292,286.70x = 438,430.05 × 179,601.53
  4. Step 4: Simplify right side
    292,286.70x = 78,742,705,585.83
  5. Step 5: Solve for x
    x = 78,742,705,585.83/292,286.70
  6. Step 6: Final answer
    x = 269,402.29

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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.