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Finding the Fourth Proportional to 701,940.76, 968,678.42 and 396,082.08

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Solution

The fourth proportional to 701,940.76, 968,678.42 and 396,082.08 is: 546,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,940.76 : 968,678.42 = 396,082.08 : x
  2. Step 2: Convert to fraction form
    701,940.76/968,678.42 = 396,082.08/x
  3. Step 3: Cross multiply
    701,940.76x = 968,678.42 × 396,082.08
  4. Step 4: Simplify right side
    701,940.76x = 383,676,163,444.71
  5. Step 5: Solve for x
    x = 383,676,163,444.71/701,940.76
  6. Step 6: Final answer
    x = 546,593.37

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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.