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Finding the Fourth Proportional to 623,568.94, 860,464.26 and 361,883.56

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Solution

The fourth proportional to 623,568.94, 860,464.26 and 361,883.56 is: 499,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,568.94 : 860,464.26 = 361,883.56 : x
  2. Step 2: Convert to fraction form
    623,568.94/860,464.26 = 361,883.56/x
  3. Step 3: Cross multiply
    623,568.94x = 860,464.26 × 361,883.56
  4. Step 4: Simplify right side
    623,568.94x = 311,387,867,510.41
  5. Step 5: Solve for x
    x = 311,387,867,510.41/623,568.94
  6. Step 6: Final answer
    x = 499,363.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.