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Finding the Fourth Proportional to 466,421.22, 699,603.98 and 274,403.52

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Solution

The fourth proportional to 466,421.22, 699,603.98 and 274,403.52 is: 411,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,421.22 : 699,603.98 = 274,403.52 : x
  2. Step 2: Convert to fraction form
    466,421.22/699,603.98 = 274,403.52/x
  3. Step 3: Cross multiply
    466,421.22x = 699,603.98 × 274,403.52
  4. Step 4: Simplify right side
    466,421.22x = 191,973,794,718.01
  5. Step 5: Solve for x
    x = 191,973,794,718.01/466,421.22
  6. Step 6: Final answer
    x = 411,588.90

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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.