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Finding the Fourth Proportional to 477,688.49, 659,206.45 and 270,996.33

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Solution

The fourth proportional to 477,688.49, 659,206.45 and 270,996.33 is: 373,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,688.49 : 659,206.45 = 270,996.33 : x
  2. Step 2: Convert to fraction form
    477,688.49/659,206.45 = 270,996.33/x
  3. Step 3: Cross multiply
    477,688.49x = 659,206.45 × 270,996.33
  4. Step 4: Simplify right side
    477,688.49x = 178,642,531,473.10
  5. Step 5: Solve for x
    x = 178,642,531,473.10/477,688.49
  6. Step 6: Final answer
    x = 373,972.86

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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.