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Finding the Fourth Proportional to 329,319.72, 454,470.21 and 186,076.89

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Solution

The fourth proportional to 329,319.72, 454,470.21 and 186,076.89 is: 256,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,319.72 : 454,470.21 = 186,076.89 : x
  2. Step 2: Convert to fraction form
    329,319.72/454,470.21 = 186,076.89/x
  3. Step 3: Cross multiply
    329,319.72x = 454,470.21 × 186,076.89
  4. Step 4: Simplify right side
    329,319.72x = 84,566,403,274.45
  5. Step 5: Solve for x
    x = 84,566,403,274.45/329,319.72
  6. Step 6: Final answer
    x = 256,791.19

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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.