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Finding the Fourth Proportional to 698,358.92, 1,047,997.74 and 383,037

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Solution

The fourth proportional to 698,358.92, 1,047,997.74 and 383,037 is: 574,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,358.92 : 1,047,997.74 = 383,037 : x
  2. Step 2: Convert to fraction form
    698,358.92/1,047,997.74 = 383,037/x
  3. Step 3: Cross multiply
    698,358.92x = 1,047,997.74 × 383,037
  4. Step 4: Simplify right side
    698,358.92x = 401,421,910,336.38
  5. Step 5: Solve for x
    x = 401,421,910,336.38/698,358.92
  6. Step 6: Final answer
    x = 574,807.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.