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Finding the Fourth Proportional to 344,283.45, 475,098.53 and 191,331.15

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Solution

The fourth proportional to 344,283.45, 475,098.53 and 191,331.15 is: 264,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,283.45 : 475,098.53 = 191,331.15 : x
  2. Step 2: Convert to fraction form
    344,283.45/475,098.53 = 191,331.15/x
  3. Step 3: Cross multiply
    344,283.45x = 475,098.53 × 191,331.15
  4. Step 4: Simplify right side
    344,283.45x = 90,901,147,151.55
  5. Step 5: Solve for x
    x = 90,901,147,151.55/344,283.45
  6. Step 6: Final answer
    x = 264,029.96

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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.