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Finding the Fourth Proportional to 436,772.43, 655,316.30 and 152,504.87

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Solution

The fourth proportional to 436,772.43, 655,316.30 and 152,504.87 is: 228,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,772.43 : 655,316.30 = 152,504.87 : x
  2. Step 2: Convert to fraction form
    436,772.43/655,316.30 = 152,504.87/x
  3. Step 3: Cross multiply
    436,772.43x = 655,316.30 × 152,504.87
  4. Step 4: Simplify right side
    436,772.43x = 99,938,923,101.28
  5. Step 5: Solve for x
    x = 99,938,923,101.28/436,772.43
  6. Step 6: Final answer
    x = 228,812.34

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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.