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Finding the Fourth Proportional to 344,348.14, 475,063.75 and 199,127.06

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Solution

The fourth proportional to 344,348.14, 475,063.75 and 199,127.06 is: 274,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,348.14 : 475,063.75 = 199,127.06 : x
  2. Step 2: Convert to fraction form
    344,348.14/475,063.75 = 199,127.06/x
  3. Step 3: Cross multiply
    344,348.14x = 475,063.75 × 199,127.06
  4. Step 4: Simplify right side
    344,348.14x = 94,598,047,850.08
  5. Step 5: Solve for x
    x = 94,598,047,850.08/344,348.14
  6. Step 6: Final answer
    x = 274,716.30

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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.