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Finding the Fourth Proportional to 444,865.70, 667,298.55 and 370,070.30

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Solution

The fourth proportional to 444,865.70, 667,298.55 and 370,070.30 is: 555,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,865.70 : 667,298.55 = 370,070.30 : x
  2. Step 2: Convert to fraction form
    444,865.70/667,298.55 = 370,070.30/x
  3. Step 3: Cross multiply
    444,865.70x = 667,298.55 × 370,070.30
  4. Step 4: Simplify right side
    444,865.70x = 246,947,374,588.07
  5. Step 5: Solve for x
    x = 246,947,374,588.07/444,865.70
  6. Step 6: Final answer
    x = 555,105.45

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Similar ratio
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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.