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Finding the Fourth Proportional to 593,002.28, 818,343.62 and 321,070.28

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Solution

The fourth proportional to 593,002.28, 818,343.62 and 321,070.28 is: 443,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,002.28 : 818,343.62 = 321,070.28 : x
  2. Step 2: Convert to fraction form
    593,002.28/818,343.62 = 321,070.28/x
  3. Step 3: Cross multiply
    593,002.28x = 818,343.62 × 321,070.28
  4. Step 4: Simplify right side
    593,002.28x = 262,745,815,209.61
  5. Step 5: Solve for x
    x = 262,745,815,209.61/593,002.28
  6. Step 6: Final answer
    x = 443,077.24

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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.