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Finding the Fourth Proportional to 436,797.20, 655,353.48 and 152,529.66

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Solution

The fourth proportional to 436,797.20, 655,353.48 and 152,529.66 is: 228,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,797.20 : 655,353.48 = 152,529.66 : x
  2. Step 2: Convert to fraction form
    436,797.20/655,353.48 = 152,529.66/x
  3. Step 3: Cross multiply
    436,797.20x = 655,353.48 × 152,529.66
  4. Step 4: Simplify right side
    436,797.20x = 99,960,843,484.22
  5. Step 5: Solve for x
    x = 99,960,843,484.22/436,797.20
  6. Step 6: Final answer
    x = 228,849.55

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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.