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Finding the Fourth Proportional to 353,704.45, 530,223.13 and 176,043.51

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Solution

The fourth proportional to 353,704.45, 530,223.13 and 176,043.51 is: 263,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,704.45 : 530,223.13 = 176,043.51 : x
  2. Step 2: Convert to fraction form
    353,704.45/530,223.13 = 176,043.51/x
  3. Step 3: Cross multiply
    353,704.45x = 530,223.13 × 176,043.51
  4. Step 4: Simplify right side
    353,704.45x = 93,342,340,888.39
  5. Step 5: Solve for x
    x = 93,342,340,888.39/353,704.45
  6. Step 6: Final answer
    x = 263,899.26

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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.