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Finding the Fourth Proportional to 671,426.33, 926,565.68 and 365,519.70

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Solution

The fourth proportional to 671,426.33, 926,565.68 and 365,519.70 is: 504,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,426.33 : 926,565.68 = 365,519.70 : x
  2. Step 2: Convert to fraction form
    671,426.33/926,565.68 = 365,519.70/x
  3. Step 3: Cross multiply
    671,426.33x = 926,565.68 × 365,519.70
  4. Step 4: Simplify right side
    671,426.33x = 338,678,007,556.30
  5. Step 5: Solve for x
    x = 338,678,007,556.30/671,426.33
  6. Step 6: Final answer
    x = 504,415.74

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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.