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Finding the Fourth Proportional to 617,327.05, 925,990.58 and 550,404.85

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Solution

The fourth proportional to 617,327.05, 925,990.58 and 550,404.85 is: 825,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,327.05 : 925,990.58 = 550,404.85 : x
  2. Step 2: Convert to fraction form
    617,327.05/925,990.58 = 550,404.85/x
  3. Step 3: Cross multiply
    617,327.05x = 925,990.58 × 550,404.85
  4. Step 4: Simplify right side
    617,327.05x = 509,669,703,534.29
  5. Step 5: Solve for x
    x = 509,669,703,534.29/617,327.05
  6. Step 6: Final answer
    x = 825,607.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.