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Finding the Fourth Proportional to 353,505.02, 530,340.55 and 116,847.68

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Solution

The fourth proportional to 353,505.02, 530,340.55 and 116,847.68 is: 175,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,505.02 : 530,340.55 = 116,847.68 : x
  2. Step 2: Convert to fraction form
    353,505.02/530,340.55 = 116,847.68/x
  3. Step 3: Cross multiply
    353,505.02x = 530,340.55 × 116,847.68
  4. Step 4: Simplify right side
    353,505.02x = 61,969,059,933.60
  5. Step 5: Solve for x
    x = 61,969,059,933.60/353,505.02
  6. Step 6: Final answer
    x = 175,298.96

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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.