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Finding the Fourth Proportional to 217,951.13, 325,970.57 and 194,103.60

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Solution

The fourth proportional to 217,951.13, 325,970.57 and 194,103.60 is: 290,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,951.13 : 325,970.57 = 194,103.60 : x
  2. Step 2: Convert to fraction form
    217,951.13/325,970.57 = 194,103.60/x
  3. Step 3: Cross multiply
    217,951.13x = 325,970.57 × 194,103.60
  4. Step 4: Simplify right side
    217,951.13x = 63,272,060,160.53
  5. Step 5: Solve for x
    x = 63,272,060,160.53/217,951.13
  6. Step 6: Final answer
    x = 290,303.89

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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.