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Finding the Fourth Proportional to 485,033.94, 669,106.17 and 324,104.76

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Solution

The fourth proportional to 485,033.94, 669,106.17 and 324,104.76 is: 447,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,033.94 : 669,106.17 = 324,104.76 : x
  2. Step 2: Convert to fraction form
    485,033.94/669,106.17 = 324,104.76/x
  3. Step 3: Cross multiply
    485,033.94x = 669,106.17 × 324,104.76
  4. Step 4: Simplify right side
    485,033.94x = 216,860,494,642.37
  5. Step 5: Solve for x
    x = 216,860,494,642.37/485,033.94
  6. Step 6: Final answer
    x = 447,103.75

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Double scale
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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.