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Finding the Fourth Proportional to 344,259.32, 475,068.39 and 191,293.56

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Solution

The fourth proportional to 344,259.32, 475,068.39 and 191,293.56 is: 263,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,259.32 : 475,068.39 = 191,293.56 : x
  2. Step 2: Convert to fraction form
    344,259.32/475,068.39 = 191,293.56/x
  3. Step 3: Cross multiply
    344,259.32x = 475,068.39 × 191,293.56
  4. Step 4: Simplify right side
    344,259.32x = 90,877,523,566.57
  5. Step 5: Solve for x
    x = 90,877,523,566.57/344,259.32
  6. Step 6: Final answer
    x = 263,979.85

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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.