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Finding the Fourth Proportional to 573,432.40, 860,148.60 and 199,455.40

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Solution

The fourth proportional to 573,432.40, 860,148.60 and 199,455.40 is: 299,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,432.40 : 860,148.60 = 199,455.40 : x
  2. Step 2: Convert to fraction form
    573,432.40/860,148.60 = 199,455.40/x
  3. Step 3: Cross multiply
    573,432.40x = 860,148.60 × 199,455.40
  4. Step 4: Simplify right side
    573,432.40x = 171,561,283,072.44
  5. Step 5: Solve for x
    x = 171,561,283,072.44/573,432.40
  6. Step 6: Final answer
    x = 299,183.10

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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.