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Finding the Fourth Proportional to 344,144.70, 474,727.23 and 216,598.86

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Solution

The fourth proportional to 344,144.70, 474,727.23 and 216,598.86 is: 298,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,144.70 : 474,727.23 = 216,598.86 : x
  2. Step 2: Convert to fraction form
    344,144.70/474,727.23 = 216,598.86/x
  3. Step 3: Cross multiply
    344,144.70x = 474,727.23 × 216,598.86
  4. Step 4: Simplify right side
    344,144.70x = 102,825,376,828.96
  5. Step 5: Solve for x
    x = 102,825,376,828.96/344,144.70
  6. Step 6: Final answer
    x = 298,785.30

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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.