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Finding the Fourth Proportional to 671,899.30, 927,222.30 and 365,974.74

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Solution

The fourth proportional to 671,899.30, 927,222.30 and 365,974.74 is: 505,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,899.30 : 927,222.30 = 365,974.74 : x
  2. Step 2: Convert to fraction form
    671,899.30/927,222.30 = 365,974.74/x
  3. Step 3: Cross multiply
    671,899.30x = 927,222.30 × 365,974.74
  4. Step 4: Simplify right side
    671,899.30x = 339,339,940,164.70
  5. Step 5: Solve for x
    x = 339,339,940,164.70/671,899.30
  6. Step 6: Final answer
    x = 505,045.83

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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.