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Finding the Fourth Proportional to 432,588.14, 648,880.17 and 240,372.01

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Solution

The fourth proportional to 432,588.14, 648,880.17 and 240,372.01 is: 360,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,588.14 : 648,880.17 = 240,372.01 : x
  2. Step 2: Convert to fraction form
    432,588.14/648,880.17 = 240,372.01/x
  3. Step 3: Cross multiply
    432,588.14x = 648,880.17 × 240,372.01
  4. Step 4: Simplify right side
    432,588.14x = 155,972,626,971.80
  5. Step 5: Solve for x
    x = 155,972,626,971.80/432,588.14
  6. Step 6: Final answer
    x = 360,556.87

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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.