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Finding the Fourth Proportional to 303,293.19, 418,541.72 and 167,328.24

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Solution

The fourth proportional to 303,293.19, 418,541.72 and 167,328.24 is: 230,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,293.19 : 418,541.72 = 167,328.24 : x
  2. Step 2: Convert to fraction form
    303,293.19/418,541.72 = 167,328.24/x
  3. Step 3: Cross multiply
    303,293.19x = 418,541.72 × 167,328.24
  4. Step 4: Simplify right side
    303,293.19x = 70,033,846,968.00
  5. Step 5: Solve for x
    x = 70,033,846,968.00/303,293.19
  6. Step 6: Final answer
    x = 230,911.37

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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.