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Finding the Fourth Proportional to 612,171.66, 844,640.01 and 357,376.44

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Solution

The fourth proportional to 612,171.66, 844,640.01 and 357,376.44 is: 493,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,171.66 : 844,640.01 = 357,376.44 : x
  2. Step 2: Convert to fraction form
    612,171.66/844,640.01 = 357,376.44/x
  3. Step 3: Cross multiply
    612,171.66x = 844,640.01 × 357,376.44
  4. Step 4: Simplify right side
    612,171.66x = 301,854,439,855.36
  5. Step 5: Solve for x
    x = 301,854,439,855.36/612,171.66
  6. Step 6: Final answer
    x = 493,087.90

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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.