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Finding the Fourth Proportional to 196,608.40, 294,912.80 and 48,864.40

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Solution

The fourth proportional to 196,608.40, 294,912.80 and 48,864.40 is: 73,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,608.40 : 294,912.80 = 48,864.40 : x
  2. Step 2: Convert to fraction form
    196,608.40/294,912.80 = 48,864.40/x
  3. Step 3: Cross multiply
    196,608.40x = 294,912.80 × 48,864.40
  4. Step 4: Simplify right side
    196,608.40x = 14,410,737,024.32
  5. Step 5: Solve for x
    x = 14,410,737,024.32/196,608.40
  6. Step 6: Final answer
    x = 73,296.65

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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.