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Finding the Fourth Proportional to 329,693.24, 454,973.64 and 186,481.28

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Solution

The fourth proportional to 329,693.24, 454,973.64 and 186,481.28 is: 257,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,693.24 : 454,973.64 = 186,481.28 : x
  2. Step 2: Convert to fraction form
    329,693.24/454,973.64 = 186,481.28/x
  3. Step 3: Cross multiply
    329,693.24x = 454,973.64 × 186,481.28
  4. Step 4: Simplify right side
    329,693.24x = 84,844,066,753.46
  5. Step 5: Solve for x
    x = 84,844,066,753.46/329,693.24
  6. Step 6: Final answer
    x = 257,342.45

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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.