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Finding the Fourth Proportional to 573,650.40, 860,648.40 and 307,538.40

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Solution

The fourth proportional to 573,650.40, 860,648.40 and 307,538.40 is: 461,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,650.40 : 860,648.40 = 307,538.40 : x
  2. Step 2: Convert to fraction form
    573,650.40/860,648.40 = 307,538.40/x
  3. Step 3: Cross multiply
    573,650.40x = 860,648.40 × 307,538.40
  4. Step 4: Simplify right side
    573,650.40x = 264,682,431,898.56
  5. Step 5: Solve for x
    x = 264,682,431,898.56/573,650.40
  6. Step 6: Final answer
    x = 461,400.24

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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.