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Finding the Fourth Proportional to 351,206.98, 484,666.84 and 190,061.98

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Solution

The fourth proportional to 351,206.98, 484,666.84 and 190,061.98 is: 262,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,206.98 : 484,666.84 = 190,061.98 : x
  2. Step 2: Convert to fraction form
    351,206.98/484,666.84 = 190,061.98/x
  3. Step 3: Cross multiply
    351,206.98x = 484,666.84 × 190,061.98
  4. Step 4: Simplify right side
    351,206.98x = 92,116,739,250.74
  5. Step 5: Solve for x
    x = 92,116,739,250.74/351,206.98
  6. Step 6: Final answer
    x = 262,286.19

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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.