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Finding the Fourth Proportional to 874,259.82, 1,310,611.73 and 341,659.71

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Solution

The fourth proportional to 874,259.82, 1,310,611.73 and 341,659.71 is: 512,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,259.82 : 1,310,611.73 = 341,659.71 : x
  2. Step 2: Convert to fraction form
    874,259.82/1,310,611.73 = 341,659.71/x
  3. Step 3: Cross multiply
    874,259.82x = 1,310,611.73 × 341,659.71
  4. Step 4: Simplify right side
    874,259.82x = 447,783,221,886.10
  5. Step 5: Solve for x
    x = 447,783,221,886.10/874,259.82
  6. Step 6: Final answer
    x = 512,185.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.