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Finding the Fourth Proportional to 467,542.33, 645,211.37 and 252,681.88

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Solution

The fourth proportional to 467,542.33, 645,211.37 and 252,681.88 is: 348,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,542.33 : 645,211.37 = 252,681.88 : x
  2. Step 2: Convert to fraction form
    467,542.33/645,211.37 = 252,681.88/x
  3. Step 3: Cross multiply
    467,542.33x = 645,211.37 × 252,681.88
  4. Step 4: Simplify right side
    467,542.33x = 163,033,221,968.98
  5. Step 5: Solve for x
    x = 163,033,221,968.98/467,542.33
  6. Step 6: Final answer
    x = 348,702.59

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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.