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Finding the Fourth Proportional to 197,590.04, 296,236 and 64,390.76

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Solution

The fourth proportional to 197,590.04, 296,236 and 64,390.76 is: 96,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,590.04 : 296,236 = 64,390.76 : x
  2. Step 2: Convert to fraction form
    197,590.04/296,236 = 64,390.76/x
  3. Step 3: Cross multiply
    197,590.04x = 296,236 × 64,390.76
  4. Step 4: Simplify right side
    197,590.04x = 19,074,861,179.36
  5. Step 5: Solve for x
    x = 19,074,861,179.36/197,590.04
  6. Step 6: Final answer
    x = 96,537.56

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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.