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Finding the Fourth Proportional to 467,898.64, 644,938.54 and 365,743.88

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Solution

The fourth proportional to 467,898.64, 644,938.54 and 365,743.88 is: 504,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,898.64 : 644,938.54 = 365,743.88 : x
  2. Step 2: Convert to fraction form
    467,898.64/644,938.54 = 365,743.88/x
  3. Step 3: Cross multiply
    467,898.64x = 644,938.54 × 365,743.88
  4. Step 4: Simplify right side
    467,898.64x = 235,882,323,981.14
  5. Step 5: Solve for x
    x = 235,882,323,981.14/467,898.64
  6. Step 6: Final answer
    x = 504,131.25

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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.