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Finding the Fourth Proportional to 344,538.62, 475,479.18 and 191,592.30

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Solution

The fourth proportional to 344,538.62, 475,479.18 and 191,592.30 is: 264,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,538.62 : 475,479.18 = 191,592.30 : x
  2. Step 2: Convert to fraction form
    344,538.62/475,479.18 = 191,592.30/x
  3. Step 3: Cross multiply
    344,538.62x = 475,479.18 × 191,592.30
  4. Step 4: Simplify right side
    344,538.62x = 91,098,149,698.31
  5. Step 5: Solve for x
    x = 91,098,149,698.31/344,538.62
  6. Step 6: Final answer
    x = 264,406.21

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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.