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Finding the Fourth Proportional to 353,722, 530,249.46 and 176,061.06

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Solution

The fourth proportional to 353,722, 530,249.46 and 176,061.06 is: 263,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,722 : 530,249.46 = 176,061.06 : x
  2. Step 2: Convert to fraction form
    353,722/530,249.46 = 176,061.06/x
  3. Step 3: Cross multiply
    353,722x = 530,249.46 × 176,061.06
  4. Step 4: Simplify right side
    353,722x = 93,356,279,340.78
  5. Step 5: Solve for x
    x = 93,356,279,340.78/353,722
  6. Step 6: Final answer
    x = 263,925.57

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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.