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Finding the Fourth Proportional to 436,897.55, 655,503.52 and 152,629.92

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Solution

The fourth proportional to 436,897.55, 655,503.52 and 152,629.92 is: 228,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,897.55 : 655,503.52 = 152,629.92 : x
  2. Step 2: Convert to fraction form
    436,897.55/655,503.52 = 152,629.92/x
  3. Step 3: Cross multiply
    436,897.55x = 655,503.52 × 152,629.92
  4. Step 4: Simplify right side
    436,897.55x = 100,049,450,692.93
  5. Step 5: Solve for x
    x = 100,049,450,692.93/436,897.55
  6. Step 6: Final answer
    x = 228,999.80

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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.