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Finding the Fourth Proportional to 593,795.92, 819,416.42 and 321,857.98

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Solution

The fourth proportional to 593,795.92, 819,416.42 and 321,857.98 is: 444,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,795.92 : 819,416.42 = 321,857.98 : x
  2. Step 2: Convert to fraction form
    593,795.92/819,416.42 = 321,857.98/x
  3. Step 3: Cross multiply
    593,795.92x = 819,416.42 × 321,857.98
  4. Step 4: Simplify right side
    593,795.92x = 263,735,714,592.17
  5. Step 5: Solve for x
    x = 263,735,714,592.17/593,795.92
  6. Step 6: Final answer
    x = 444,152.11

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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.