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Finding the Fourth Proportional to 497,764.56, 746,646.66 and 123,787.56

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Solution

The fourth proportional to 497,764.56, 746,646.66 and 123,787.56 is: 185,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,764.56 : 746,646.66 = 123,787.56 : x
  2. Step 2: Convert to fraction form
    497,764.56/746,646.66 = 123,787.56/x
  3. Step 3: Cross multiply
    497,764.56x = 746,646.66 × 123,787.56
  4. Step 4: Simplify right side
    497,764.56x = 92,425,568,223.55
  5. Step 5: Solve for x
    x = 92,425,568,223.55/497,764.56
  6. Step 6: Final answer
    x = 185,681.30

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1.5x scale

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.