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Finding the Fourth Proportional to 344,491.90, 516,704.44 and 104,607.88

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Solution

The fourth proportional to 344,491.90, 516,704.44 and 104,607.88 is: 156,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,491.90 : 516,704.44 = 104,607.88 : x
  2. Step 2: Convert to fraction form
    344,491.90/516,704.44 = 104,607.88/x
  3. Step 3: Cross multiply
    344,491.90x = 516,704.44 × 104,607.88
  4. Step 4: Simplify right side
    344,491.90x = 54,051,356,445.29
  5. Step 5: Solve for x
    x = 54,051,356,445.29/344,491.90
  6. Step 6: Final answer
    x = 156,901.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.