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Finding the Fourth Proportional to 316,994.47, 437,497.19 and 196,174.69

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Solution

The fourth proportional to 316,994.47, 437,497.19 and 196,174.69 is: 270,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,994.47 : 437,497.19 = 196,174.69 : x
  2. Step 2: Convert to fraction form
    316,994.47/437,497.19 = 196,174.69/x
  3. Step 3: Cross multiply
    316,994.47x = 437,497.19 × 196,174.69
  4. Step 4: Simplify right side
    316,994.47x = 85,825,874,643.25
  5. Step 5: Solve for x
    x = 85,825,874,643.25/316,994.47
  6. Step 6: Final answer
    x = 270,748.81

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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.