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Finding the Fourth Proportional to 467,252.80, 644,808.77 and 252,392.87

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Solution

The fourth proportional to 467,252.80, 644,808.77 and 252,392.87 is: 348,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,252.80 : 644,808.77 = 252,392.87 : x
  2. Step 2: Convert to fraction form
    467,252.80/644,808.77 = 252,392.87/x
  3. Step 3: Cross multiply
    467,252.80x = 644,808.77 × 252,392.87
  4. Step 4: Simplify right side
    467,252.80x = 162,745,136,061.47
  5. Step 5: Solve for x
    x = 162,745,136,061.47/467,252.80
  6. Step 6: Final answer
    x = 348,302.11

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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.