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Finding the Fourth Proportional to 353,516.66, 487,852.85 and 194,540.66

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Solution

The fourth proportional to 353,516.66, 487,852.85 and 194,540.66 is: 268,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,516.66 : 487,852.85 = 194,540.66 : x
  2. Step 2: Convert to fraction form
    353,516.66/487,852.85 = 194,540.66/x
  3. Step 3: Cross multiply
    353,516.66x = 487,852.85 × 194,540.66
  4. Step 4: Simplify right side
    353,516.66x = 94,907,215,421.88
  5. Step 5: Solve for x
    x = 94,907,215,421.88/353,516.66
  6. Step 6: Final answer
    x = 268,466.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.