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Finding the Fourth Proportional to 464,843.39, 697,173.28 and 127,797.12

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Solution

The fourth proportional to 464,843.39, 697,173.28 and 127,797.12 is: 191,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,843.39 : 697,173.28 = 127,797.12 : x
  2. Step 2: Convert to fraction form
    464,843.39/697,173.28 = 127,797.12/x
  3. Step 3: Cross multiply
    464,843.39x = 697,173.28 × 127,797.12
  4. Step 4: Simplify right side
    464,843.39x = 89,096,737,005.46
  5. Step 5: Solve for x
    x = 89,096,737,005.46/464,843.39
  6. Step 6: Final answer
    x = 191,670.44

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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.