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Finding the Fourth Proportional to 353,695.32, 530,548.48 and 196,920.24

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Solution

The fourth proportional to 353,695.32, 530,548.48 and 196,920.24 is: 295,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,695.32 : 530,548.48 = 196,920.24 : x
  2. Step 2: Convert to fraction form
    353,695.32/530,548.48 = 196,920.24/x
  3. Step 3: Cross multiply
    353,695.32x = 530,548.48 × 196,920.24
  4. Step 4: Simplify right side
    353,695.32x = 104,475,734,013.24
  5. Step 5: Solve for x
    x = 104,475,734,013.24/353,695.32
  6. Step 6: Final answer
    x = 295,383.42

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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.