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Finding the Fourth Proportional to 707,584.86, 976,453.11 and 385,298.82

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Solution

The fourth proportional to 707,584.86, 976,453.11 and 385,298.82 is: 531,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,584.86 : 976,453.11 = 385,298.82 : x
  2. Step 2: Convert to fraction form
    707,584.86/976,453.11 = 385,298.82/x
  3. Step 3: Cross multiply
    707,584.86x = 976,453.11 × 385,298.82
  4. Step 4: Simplify right side
    707,584.86x = 376,226,231,068.33
  5. Step 5: Solve for x
    x = 376,226,231,068.33/707,584.86
  6. Step 6: Final answer
    x = 531,704.75

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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.