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Finding the Fourth Proportional to 445,494.04, 668,109.84 and 345,766.84

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Solution

The fourth proportional to 445,494.04, 668,109.84 and 345,766.84 is: 518,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,494.04 : 668,109.84 = 345,766.84 : x
  2. Step 2: Convert to fraction form
    445,494.04/668,109.84 = 345,766.84/x
  3. Step 3: Cross multiply
    445,494.04x = 668,109.84 × 345,766.84
  4. Step 4: Simplify right side
    445,494.04x = 231,010,228,149.71
  5. Step 5: Solve for x
    x = 231,010,228,149.71/445,494.04
  6. Step 6: Final answer
    x = 518,548.41

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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.