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Finding the Fourth Proportional to 353,541.06, 530,361.41 and 113,574.50

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Solution

The fourth proportional to 353,541.06, 530,361.41 and 113,574.50 is: 170,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,541.06 : 530,361.41 = 113,574.50 : x
  2. Step 2: Convert to fraction form
    353,541.06/530,361.41 = 113,574.50/x
  3. Step 3: Cross multiply
    353,541.06x = 530,361.41 × 113,574.50
  4. Step 4: Simplify right side
    353,541.06x = 60,235,528,740.37
  5. Step 5: Solve for x
    x = 60,235,528,740.37/353,541.06
  6. Step 6: Final answer
    x = 170,377.75

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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.