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Finding the Fourth Proportional to 697,958.46, 963,182.88 and 392,035.32

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Solution

The fourth proportional to 697,958.46, 963,182.88 and 392,035.32 is: 541,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,958.46 : 963,182.88 = 392,035.32 : x
  2. Step 2: Convert to fraction form
    697,958.46/963,182.88 = 392,035.32/x
  3. Step 3: Cross multiply
    697,958.46x = 963,182.88 × 392,035.32
  4. Step 4: Simplify right side
    697,958.46x = 377,601,708,579.32
  5. Step 5: Solve for x
    x = 377,601,708,579.32/697,958.46
  6. Step 6: Final answer
    x = 541,008.86

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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.