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Finding the Fourth Proportional to 467,752.84, 645,498.75 and 252,892.84

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Solution

The fourth proportional to 467,752.84, 645,498.75 and 252,892.84 is: 348,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,752.84 : 645,498.75 = 252,892.84 : x
  2. Step 2: Convert to fraction form
    467,752.84/645,498.75 = 252,892.84/x
  3. Step 3: Cross multiply
    467,752.84x = 645,498.75 × 252,892.84
  4. Step 4: Simplify right side
    467,752.84x = 163,242,012,103.95
  5. Step 5: Solve for x
    x = 163,242,012,103.95/467,752.84
  6. Step 6: Final answer
    x = 348,992.03

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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.