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Finding the Fourth Proportional to 299,265.60, 449,117.10 and 210,692.10

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Solution

The fourth proportional to 299,265.60, 449,117.10 and 210,692.10 is: 316,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,265.60 : 449,117.10 = 210,692.10 : x
  2. Step 2: Convert to fraction form
    299,265.60/449,117.10 = 210,692.10/x
  3. Step 3: Cross multiply
    299,265.60x = 449,117.10 × 210,692.10
  4. Step 4: Simplify right side
    299,265.60x = 94,625,424,944.91
  5. Step 5: Solve for x
    x = 94,625,424,944.91/299,265.60
  6. Step 6: Final answer
    x = 316,192.12

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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.