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Finding the Fourth Proportional to 637,993.01, 956,086.76 and 353,808.56

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Solution

The fourth proportional to 637,993.01, 956,086.76 and 353,808.56 is: 530,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,993.01 : 956,086.76 = 353,808.56 : x
  2. Step 2: Convert to fraction form
    637,993.01/956,086.76 = 353,808.56/x
  3. Step 3: Cross multiply
    637,993.01x = 956,086.76 × 353,808.56
  4. Step 4: Simplify right side
    637,993.01x = 338,271,675,894.75
  5. Step 5: Solve for x
    x = 338,271,675,894.75/637,993.01
  6. Step 6: Final answer
    x = 530,212.20

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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.