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Finding the Fourth Proportional to 303,506.07, 418,861.56 and 167,566.20

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Solution

The fourth proportional to 303,506.07, 418,861.56 and 167,566.20 is: 231,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,506.07 : 418,861.56 = 167,566.20 : x
  2. Step 2: Convert to fraction form
    303,506.07/418,861.56 = 167,566.20/x
  3. Step 3: Cross multiply
    303,506.07x = 418,861.56 × 167,566.20
  4. Step 4: Simplify right side
    303,506.07x = 70,187,039,935.27
  5. Step 5: Solve for x
    x = 70,187,039,935.27/303,506.07
  6. Step 6: Final answer
    x = 231,254.16

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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.