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Finding the Fourth Proportional to 344,807.73, 517,206.42 and 155,134.17

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Solution

The fourth proportional to 344,807.73, 517,206.42 and 155,134.17 is: 232,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,807.73 : 517,206.42 = 155,134.17 : x
  2. Step 2: Convert to fraction form
    344,807.73/517,206.42 = 155,134.17/x
  3. Step 3: Cross multiply
    344,807.73x = 517,206.42 × 155,134.17
  4. Step 4: Simplify right side
    344,807.73x = 80,236,388,685.37
  5. Step 5: Solve for x
    x = 80,236,388,685.37/344,807.73
  6. Step 6: Final answer
    x = 232,698.93

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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.