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Finding the Fourth Proportional to 497,692.56, 686,900.88 and 344,952.48

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Solution

The fourth proportional to 497,692.56, 686,900.88 and 344,952.48 is: 476,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,692.56 : 686,900.88 = 344,952.48 : x
  2. Step 2: Convert to fraction form
    497,692.56/686,900.88 = 344,952.48/x
  3. Step 3: Cross multiply
    497,692.56x = 686,900.88 × 344,952.48
  4. Step 4: Simplify right side
    497,692.56x = 236,948,162,070.18
  5. Step 5: Solve for x
    x = 236,948,162,070.18/497,692.56
  6. Step 6: Final answer
    x = 476,093.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.