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Finding the Fourth Proportional to 453,700.10, 679,772.55 and 295,847.30

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Solution

The fourth proportional to 453,700.10, 679,772.55 and 295,847.30 is: 443,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,700.10 : 679,772.55 = 295,847.30 : x
  2. Step 2: Convert to fraction form
    453,700.10/679,772.55 = 295,847.30/x
  3. Step 3: Cross multiply
    453,700.10x = 679,772.55 × 295,847.30
  4. Step 4: Simplify right side
    453,700.10x = 201,108,873,531.62
  5. Step 5: Solve for x
    x = 201,108,873,531.62/453,700.10
  6. Step 6: Final answer
    x = 443,263.90

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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.