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Finding the Fourth Proportional to 303,314.56, 418,571.38 and 167,349.71

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Solution

The fourth proportional to 303,314.56, 418,571.38 and 167,349.71 is: 230,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,314.56 : 418,571.38 = 167,349.71 : x
  2. Step 2: Convert to fraction form
    303,314.56/418,571.38 = 167,349.71/x
  3. Step 3: Cross multiply
    303,314.56x = 418,571.38 × 167,349.71
  4. Step 4: Simplify right side
    303,314.56x = 70,047,800,312.92
  5. Step 5: Solve for x
    x = 70,047,800,312.92/303,314.56
  6. Step 6: Final answer
    x = 230,941.11

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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.