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Finding the Fourth Proportional to 706,082.06, 974,394.42 and 383,791.34

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Solution

The fourth proportional to 706,082.06, 974,394.42 and 383,791.34 is: 529,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,082.06 : 974,394.42 = 383,791.34 : x
  2. Step 2: Convert to fraction form
    706,082.06/974,394.42 = 383,791.34/x
  3. Step 3: Cross multiply
    706,082.06x = 974,394.42 × 383,791.34
  4. Step 4: Simplify right side
    706,082.06x = 373,964,140,140.32
  5. Step 5: Solve for x
    x = 373,964,140,140.32/706,082.06
  6. Step 6: Final answer
    x = 529,632.69

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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.