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Finding the Fourth Proportional to 529,361.08, 793,842.90 and 192,318.46

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Solution

The fourth proportional to 529,361.08, 793,842.90 and 192,318.46 is: 288,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,361.08 : 793,842.90 = 192,318.46 : x
  2. Step 2: Convert to fraction form
    529,361.08/793,842.90 = 192,318.46/x
  3. Step 3: Cross multiply
    529,361.08x = 793,842.90 × 192,318.46
  4. Step 4: Simplify right side
    529,361.08x = 152,670,644,009.93
  5. Step 5: Solve for x
    x = 152,670,644,009.93/529,361.08
  6. Step 6: Final answer
    x = 288,405.49

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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.