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Finding the Fourth Proportional to 467,031.50, 644,504.20 and 265,827.50

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Solution

The fourth proportional to 467,031.50, 644,504.20 and 265,827.50 is: 366,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,031.50 : 644,504.20 = 265,827.50 : x
  2. Step 2: Convert to fraction form
    467,031.50/644,504.20 = 265,827.50/x
  3. Step 3: Cross multiply
    467,031.50x = 644,504.20 × 265,827.50
  4. Step 4: Simplify right side
    467,031.50x = 171,326,940,225.50
  5. Step 5: Solve for x
    x = 171,326,940,225.50/467,031.50
  6. Step 6: Final answer
    x = 366,842.37

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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.