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Finding the Fourth Proportional to 353,063.81, 529,297.20 and 153,233.98

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Solution

The fourth proportional to 353,063.81, 529,297.20 and 153,233.98 is: 229,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,063.81 : 529,297.20 = 153,233.98 : x
  2. Step 2: Convert to fraction form
    353,063.81/529,297.20 = 153,233.98/x
  3. Step 3: Cross multiply
    353,063.81x = 529,297.20 × 153,233.98
  4. Step 4: Simplify right side
    353,063.81x = 81,106,315,235.61
  5. Step 5: Solve for x
    x = 81,106,315,235.61/353,063.81
  6. Step 6: Final answer
    x = 229,721.41

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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.