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Finding the Fourth Proportional to 671,382.80, 926,520.09 and 365,467.97

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Solution

The fourth proportional to 671,382.80, 926,520.09 and 365,467.97 is: 504,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,382.80 : 926,520.09 = 365,467.97 : x
  2. Step 2: Convert to fraction form
    671,382.80/926,520.09 = 365,467.97/x
  3. Step 3: Cross multiply
    671,382.80x = 926,520.09 × 365,467.97
  4. Step 4: Simplify right side
    671,382.80x = 338,613,417,402.31
  5. Step 5: Solve for x
    x = 338,613,417,402.31/671,382.80
  6. Step 6: Final answer
    x = 504,352.24

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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.