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Finding the Fourth Proportional to 338,775.44, 467,503.11 and 209,679.66

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Solution

The fourth proportional to 338,775.44, 467,503.11 and 209,679.66 is: 289,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,775.44 : 467,503.11 = 209,679.66 : x
  2. Step 2: Convert to fraction form
    338,775.44/467,503.11 = 209,679.66/x
  3. Step 3: Cross multiply
    338,775.44x = 467,503.11 × 209,679.66
  4. Step 4: Simplify right side
    338,775.44x = 98,025,893,153.74
  5. Step 5: Solve for x
    x = 98,025,893,153.74/338,775.44
  6. Step 6: Final answer
    x = 289,353.60

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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.