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Finding the Fourth Proportional to 353,033.88, 529,253.19 and 153,203.73

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Solution

The fourth proportional to 353,033.88, 529,253.19 and 153,203.73 is: 229,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,033.88 : 529,253.19 = 153,203.73 : x
  2. Step 2: Convert to fraction form
    353,033.88/529,253.19 = 153,203.73/x
  3. Step 3: Cross multiply
    353,033.88x = 529,253.19 × 153,203.73
  4. Step 4: Simplify right side
    353,033.88x = 81,083,562,822.40
  5. Step 5: Solve for x
    x = 81,083,562,822.40/353,033.88
  6. Step 6: Final answer
    x = 229,676.43

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1.5x scale

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.