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Finding the Fourth Proportional to 451,644.42, 677,465.90 and 249,230.73

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Solution

The fourth proportional to 451,644.42, 677,465.90 and 249,230.73 is: 373,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,644.42 : 677,465.90 = 249,230.73 : x
  2. Step 2: Convert to fraction form
    451,644.42/677,465.90 = 249,230.73/x
  3. Step 3: Cross multiply
    451,644.42x = 677,465.90 × 249,230.73
  4. Step 4: Simplify right side
    451,644.42x = 168,845,319,560.95
  5. Step 5: Solve for x
    x = 168,845,319,560.95/451,644.42
  6. Step 6: Final answer
    x = 373,845.69

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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.