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Finding the Fourth Proportional to 329,316.72, 454,466.07 and 186,073.89

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Solution

The fourth proportional to 329,316.72, 454,466.07 and 186,073.89 is: 256,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,316.72 : 454,466.07 = 186,073.89 : x
  2. Step 2: Convert to fraction form
    329,316.72/454,466.07 = 186,073.89/x
  3. Step 3: Cross multiply
    329,316.72x = 454,466.07 × 186,073.89
  4. Step 4: Simplify right side
    329,316.72x = 84,564,269,517.91
  5. Step 5: Solve for x
    x = 84,564,269,517.91/329,316.72
  6. Step 6: Final answer
    x = 256,787.05

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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.