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Finding the Fourth Proportional to 329,285.75, 454,423.19 and 186,042.74

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Solution

The fourth proportional to 329,285.75, 454,423.19 and 186,042.74 is: 256,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,285.75 : 454,423.19 = 186,042.74 : x
  2. Step 2: Convert to fraction form
    329,285.75/454,423.19 = 186,042.74/x
  3. Step 3: Cross multiply
    329,285.75x = 454,423.19 × 186,042.74
  4. Step 4: Simplify right side
    329,285.75x = 84,542,132,184.81
  5. Step 5: Solve for x
    x = 84,542,132,184.81/329,285.75
  6. Step 6: Final answer
    x = 256,743.98

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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.