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Finding the Fourth Proportional to 353,503.64, 530,338.48 and 116,846.30

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Solution

The fourth proportional to 353,503.64, 530,338.48 and 116,846.30 is: 175,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,503.64 : 530,338.48 = 116,846.30 : x
  2. Step 2: Convert to fraction form
    353,503.64/530,338.48 = 116,846.30/x
  3. Step 3: Cross multiply
    353,503.64x = 530,338.48 × 116,846.30
  4. Step 4: Simplify right side
    353,503.64x = 61,968,086,191.82
  5. Step 5: Solve for x
    x = 61,968,086,191.82/353,503.64
  6. Step 6: Final answer
    x = 175,296.88

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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.