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Finding the Fourth Proportional to 493,847.55, 740,771.33 and 442,525.95

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Solution

The fourth proportional to 493,847.55, 740,771.33 and 442,525.95 is: 663,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,847.55 : 740,771.33 = 442,525.95 : x
  2. Step 2: Convert to fraction form
    493,847.55/740,771.33 = 442,525.95/x
  3. Step 3: Cross multiply
    493,847.55x = 740,771.33 × 442,525.95
  4. Step 4: Simplify right side
    493,847.55x = 327,810,534,328.38
  5. Step 5: Solve for x
    x = 327,810,534,328.38/493,847.55
  6. Step 6: Final answer
    x = 663,788.93

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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.