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Finding the Fourth Proportional to 338,598.90, 467,105.50 and 202,605.47

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Solution

The fourth proportional to 338,598.90, 467,105.50 and 202,605.47 is: 279,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,598.90 : 467,105.50 = 202,605.47 : x
  2. Step 2: Convert to fraction form
    338,598.90/467,105.50 = 202,605.47/x
  3. Step 3: Cross multiply
    338,598.90x = 467,105.50 × 202,605.47
  4. Step 4: Simplify right side
    338,598.90x = 94,638,129,367.09
  5. Step 5: Solve for x
    x = 94,638,129,367.09/338,598.90
  6. Step 6: Final answer
    x = 279,499.22

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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.