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Finding the Fourth Proportional to 535,692.66, 803,515.95 and 161,704.50

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Solution

The fourth proportional to 535,692.66, 803,515.95 and 161,704.50 is: 242,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,692.66 : 803,515.95 = 161,704.50 : x
  2. Step 2: Convert to fraction form
    535,692.66/803,515.95 = 161,704.50/x
  3. Step 3: Cross multiply
    535,692.66x = 803,515.95 × 161,704.50
  4. Step 4: Simplify right side
    535,692.66x = 129,932,144,936.78
  5. Step 5: Solve for x
    x = 129,932,144,936.78/535,692.66
  6. Step 6: Final answer
    x = 242,549.80

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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.