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Finding the Fourth Proportional to 658,052.70, 985,602.83 and 539,954.70

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Solution

The fourth proportional to 658,052.70, 985,602.83 and 539,954.70 is: 808,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,052.70 : 985,602.83 = 539,954.70 : x
  2. Step 2: Convert to fraction form
    658,052.70/985,602.83 = 539,954.70/x
  3. Step 3: Cross multiply
    658,052.70x = 985,602.83 × 539,954.70
  4. Step 4: Simplify right side
    658,052.70x = 532,180,877,692.03
  5. Step 5: Solve for x
    x = 532,180,877,692.03/658,052.70
  6. Step 6: Final answer
    x = 808,720.76

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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.