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Finding the Fourth Proportional to 599,989.21, 828,061.28 and 341,958.91

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Solution

The fourth proportional to 599,989.21, 828,061.28 and 341,958.91 is: 471,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,989.21 : 828,061.28 = 341,958.91 : x
  2. Step 2: Convert to fraction form
    599,989.21/828,061.28 = 341,958.91/x
  3. Step 3: Cross multiply
    599,989.21x = 828,061.28 × 341,958.91
  4. Step 4: Simplify right side
    599,989.21x = 283,162,931,012.21
  5. Step 5: Solve for x
    x = 283,162,931,012.21/599,989.21
  6. Step 6: Final answer
    x = 471,946.71

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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.