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Finding the Fourth Proportional to 353,534.66, 530,351.82 and 113,568.08

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Solution

The fourth proportional to 353,534.66, 530,351.82 and 113,568.08 is: 170,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,534.66 : 530,351.82 = 113,568.08 : x
  2. Step 2: Convert to fraction form
    353,534.66/530,351.82 = 113,568.08/x
  3. Step 3: Cross multiply
    353,534.66x = 530,351.82 × 113,568.08
  4. Step 4: Simplify right side
    353,534.66x = 60,231,035,270.15
  5. Step 5: Solve for x
    x = 60,231,035,270.15/353,534.66
  6. Step 6: Final answer
    x = 170,368.12

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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.