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Finding the Fourth Proportional to 671,107.07, 926,167.67 and 384,645.58

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Solution

The fourth proportional to 671,107.07, 926,167.67 and 384,645.58 is: 530,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,107.07 : 926,167.67 = 384,645.58 : x
  2. Step 2: Convert to fraction form
    671,107.07/926,167.67 = 384,645.58/x
  3. Step 3: Cross multiply
    671,107.07x = 926,167.67 × 384,645.58
  4. Step 4: Simplify right side
    671,107.07x = 356,246,297,808.17
  5. Step 5: Solve for x
    x = 356,246,297,808.17/671,107.07
  6. Step 6: Final answer
    x = 530,833.77

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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.