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Finding the Fourth Proportional to 671,700.38, 925,369.86 and 467,399.96

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Solution

The fourth proportional to 671,700.38, 925,369.86 and 467,399.96 is: 643,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,700.38 : 925,369.86 = 467,399.96 : x
  2. Step 2: Convert to fraction form
    671,700.38/925,369.86 = 467,399.96/x
  3. Step 3: Cross multiply
    671,700.38x = 925,369.86 × 467,399.96
  4. Step 4: Simplify right side
    671,700.38x = 432,517,835,549.21
  5. Step 5: Solve for x
    x = 432,517,835,549.21/671,700.38
  6. Step 6: Final answer
    x = 643,914.83

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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.