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Finding the Fourth Proportional to 464,000.48, 696,116.88 and 131,576.48

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Solution

The fourth proportional to 464,000.48, 696,116.88 and 131,576.48 is: 197,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,000.48 : 696,116.88 = 131,576.48 : x
  2. Step 2: Convert to fraction form
    464,000.48/696,116.88 = 131,576.48/x
  3. Step 3: Cross multiply
    464,000.48x = 696,116.88 × 131,576.48
  4. Step 4: Simplify right side
    464,000.48x = 91,592,608,738.98
  5. Step 5: Solve for x
    x = 91,592,608,738.98/464,000.48
  6. Step 6: Final answer
    x = 197,397.66

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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.