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Finding the Fourth Proportional to 344,382.30, 475,247.16 and 191,415.66

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Solution

The fourth proportional to 344,382.30, 475,247.16 and 191,415.66 is: 264,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,382.30 : 475,247.16 = 191,415.66 : x
  2. Step 2: Convert to fraction form
    344,382.30/475,247.16 = 191,415.66/x
  3. Step 3: Cross multiply
    344,382.30x = 475,247.16 × 191,415.66
  4. Step 4: Simplify right side
    344,382.30x = 90,969,748,794.53
  5. Step 5: Solve for x
    x = 90,969,748,794.53/344,382.30
  6. Step 6: Final answer
    x = 264,153.38

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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.