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Finding the Fourth Proportional to 529,421.16, 794,046.42 and 192,448.20

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Solution

The fourth proportional to 529,421.16, 794,046.42 and 192,448.20 is: 288,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,421.16 : 794,046.42 = 192,448.20 : x
  2. Step 2: Convert to fraction form
    529,421.16/794,046.42 = 192,448.20/x
  3. Step 3: Cross multiply
    529,421.16x = 794,046.42 × 192,448.20
  4. Step 4: Simplify right side
    529,421.16x = 152,812,804,245.44
  5. Step 5: Solve for x
    x = 152,812,804,245.44/529,421.16
  6. Step 6: Final answer
    x = 288,641.29

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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.