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Finding the Fourth Proportional to 529,786.46, 794,594.43 and 145,445.64

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Solution

The fourth proportional to 529,786.46, 794,594.43 and 145,445.64 is: 218,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,786.46 : 794,594.43 = 145,445.64 : x
  2. Step 2: Convert to fraction form
    529,786.46/794,594.43 = 145,445.64/x
  3. Step 3: Cross multiply
    529,786.46x = 794,594.43 × 145,445.64
  4. Step 4: Simplify right side
    529,786.46x = 115,570,295,411.79
  5. Step 5: Solve for x
    x = 115,570,295,411.79/529,786.46
  6. Step 6: Final answer
    x = 218,145.06

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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.