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Finding the Fourth Proportional to 302,940.47, 418,055.98 and 165,119.24

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Solution

The fourth proportional to 302,940.47, 418,055.98 and 165,119.24 is: 227,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,940.47 : 418,055.98 = 165,119.24 : x
  2. Step 2: Convert to fraction form
    302,940.47/418,055.98 = 165,119.24/x
  3. Step 3: Cross multiply
    302,940.47x = 418,055.98 × 165,119.24
  4. Step 4: Simplify right side
    302,940.47x = 69,029,085,695.06
  5. Step 5: Solve for x
    x = 69,029,085,695.06/302,940.47
  6. Step 6: Final answer
    x = 227,863.53

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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.