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Finding the Fourth Proportional to 467,271.86, 644,834.54 and 252,411.88

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Solution

The fourth proportional to 467,271.86, 644,834.54 and 252,411.88 is: 348,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,271.86 : 644,834.54 = 252,411.88 : x
  2. Step 2: Convert to fraction form
    467,271.86/644,834.54 = 252,411.88/x
  3. Step 3: Cross multiply
    467,271.86x = 644,834.54 × 252,411.88
  4. Step 4: Simplify right side
    467,271.86x = 162,763,898,530.34
  5. Step 5: Solve for x
    x = 162,763,898,530.34/467,271.86
  6. Step 6: Final answer
    x = 348,328.06

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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.