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Finding the Fourth Proportional to 593,005.68, 818,406.45 and 338,395.14

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Solution

The fourth proportional to 593,005.68, 818,406.45 and 338,395.14 is: 467,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,005.68 : 818,406.45 = 338,395.14 : x
  2. Step 2: Convert to fraction form
    593,005.68/818,406.45 = 338,395.14/x
  3. Step 3: Cross multiply
    593,005.68x = 818,406.45 × 338,395.14
  4. Step 4: Simplify right side
    593,005.68x = 276,944,765,224.65
  5. Step 5: Solve for x
    x = 276,944,765,224.65/593,005.68
  6. Step 6: Final answer
    x = 467,018.74

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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.