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Finding the Fourth Proportional to 593,440.72, 818,948.60 and 351,842.48

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Solution

The fourth proportional to 593,440.72, 818,948.60 and 351,842.48 is: 485,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,440.72 : 818,948.60 = 351,842.48 : x
  2. Step 2: Convert to fraction form
    593,440.72/818,948.60 = 351,842.48/x
  3. Step 3: Cross multiply
    593,440.72x = 818,948.60 × 351,842.48
  4. Step 4: Simplify right side
    593,440.72x = 288,140,906,416.53
  5. Step 5: Solve for x
    x = 288,140,906,416.53/593,440.72
  6. Step 6: Final answer
    x = 485,542.86

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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.