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Finding the Fourth Proportional to 492,701.24, 680,112.60 and 322,946.30

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Solution

The fourth proportional to 492,701.24, 680,112.60 and 322,946.30 is: 445,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,701.24 : 680,112.60 = 322,946.30 : x
  2. Step 2: Convert to fraction form
    492,701.24/680,112.60 = 322,946.30/x
  3. Step 3: Cross multiply
    492,701.24x = 680,112.60 × 322,946.30
  4. Step 4: Simplify right side
    492,701.24x = 219,639,847,753.38
  5. Step 5: Solve for x
    x = 219,639,847,753.38/492,701.24
  6. Step 6: Final answer
    x = 445,787.08

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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.