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Finding the Fourth Proportional to 303,313.81, 418,571.87 and 167,356.22

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Solution

The fourth proportional to 303,313.81, 418,571.87 and 167,356.22 is: 230,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,313.81 : 418,571.87 = 167,356.22 : x
  2. Step 2: Convert to fraction form
    303,313.81/418,571.87 = 167,356.22/x
  3. Step 3: Cross multiply
    303,313.81x = 418,571.87 × 167,356.22
  4. Step 4: Simplify right side
    303,313.81x = 70,050,604,287.06
  5. Step 5: Solve for x
    x = 70,050,604,287.06/303,313.81
  6. Step 6: Final answer
    x = 230,950.92

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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.