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Finding the Fourth Proportional to 344,240.72, 475,051.24 and 191,278.28

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Solution

The fourth proportional to 344,240.72, 475,051.24 and 191,278.28 is: 263,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,240.72 : 475,051.24 = 191,278.28 : x
  2. Step 2: Convert to fraction form
    344,240.72/475,051.24 = 191,278.28/x
  3. Step 3: Cross multiply
    344,240.72x = 475,051.24 × 191,278.28
  4. Step 4: Simplify right side
    344,240.72x = 90,866,984,099.07
  5. Step 5: Solve for x
    x = 90,866,984,099.07/344,240.72
  6. Step 6: Final answer
    x = 263,963.50

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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.