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Finding the Fourth Proportional to 340,952.59, 470,716.17 and 303,122.13

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Solution

The fourth proportional to 340,952.59, 470,716.17 and 303,122.13 is: 418,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,952.59 : 470,716.17 = 303,122.13 : x
  2. Step 2: Convert to fraction form
    340,952.59/470,716.17 = 303,122.13/x
  3. Step 3: Cross multiply
    340,952.59x = 470,716.17 × 303,122.13
  4. Step 4: Simplify right side
    340,952.59x = 142,684,484,206.65
  5. Step 5: Solve for x
    x = 142,684,484,206.65/340,952.59
  6. Step 6: Final answer
    x = 418,487.76

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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.