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Finding the Fourth Proportional to 671,797.72, 926,000.34 and 453,938.38

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Solution

The fourth proportional to 671,797.72, 926,000.34 and 453,938.38 is: 625,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,797.72 : 926,000.34 = 453,938.38 : x
  2. Step 2: Convert to fraction form
    671,797.72/926,000.34 = 453,938.38/x
  3. Step 3: Cross multiply
    671,797.72x = 926,000.34 × 453,938.38
  4. Step 4: Simplify right side
    671,797.72x = 420,347,094,219.05
  5. Step 5: Solve for x
    x = 420,347,094,219.05/671,797.72
  6. Step 6: Final answer
    x = 625,704.85

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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.