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Finding the Fourth Proportional to 291,996.61, 402,860.97 and 162,914.17

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Solution

The fourth proportional to 291,996.61, 402,860.97 and 162,914.17 is: 224,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,996.61 : 402,860.97 = 162,914.17 : x
  2. Step 2: Convert to fraction form
    291,996.61/402,860.97 = 162,914.17/x
  3. Step 3: Cross multiply
    291,996.61x = 402,860.97 × 162,914.17
  4. Step 4: Simplify right side
    291,996.61x = 65,631,760,552.94
  5. Step 5: Solve for x
    x = 65,631,760,552.94/291,996.61
  6. Step 6: Final answer
    x = 224,768.91

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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.