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Finding the Fourth Proportional to 529,963.72, 794,464.47 and 192,765.98

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Solution

The fourth proportional to 529,963.72, 794,464.47 and 192,765.98 is: 288,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,963.72 : 794,464.47 = 192,765.98 : x
  2. Step 2: Convert to fraction form
    529,963.72/794,464.47 = 192,765.98/x
  3. Step 3: Cross multiply
    529,963.72x = 794,464.47 × 192,765.98
  4. Step 4: Simplify right side
    529,963.72x = 153,145,724,120.89
  5. Step 5: Solve for x
    x = 153,145,724,120.89/529,963.72
  6. Step 6: Final answer
    x = 288,973.98

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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.