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Finding the Fourth Proportional to 610,470.60, 914,928.30 and 444,064.20

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Solution

The fourth proportional to 610,470.60, 914,928.30 and 444,064.20 is: 665,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,470.60 : 914,928.30 = 444,064.20 : x
  2. Step 2: Convert to fraction form
    610,470.60/914,928.30 = 444,064.20/x
  3. Step 3: Cross multiply
    610,470.60x = 914,928.30 × 444,064.20
  4. Step 4: Simplify right side
    610,470.60x = 406,286,903,596.86
  5. Step 5: Solve for x
    x = 406,286,903,596.86/610,470.60
  6. Step 6: Final answer
    x = 665,530.66

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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.