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Finding the Fourth Proportional to 467,680.58, 645,400.15 and 252,820.64

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Solution

The fourth proportional to 467,680.58, 645,400.15 and 252,820.64 is: 348,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,680.58 : 645,400.15 = 252,820.64 : x
  2. Step 2: Convert to fraction form
    467,680.58/645,400.15 = 252,820.64/x
  3. Step 3: Cross multiply
    467,680.58x = 645,400.15 × 252,820.64
  4. Step 4: Simplify right side
    467,680.58x = 163,170,481,382.66
  5. Step 5: Solve for x
    x = 163,170,481,382.66/467,680.58
  6. Step 6: Final answer
    x = 348,893.00

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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.