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Finding the Fourth Proportional to 529,119.83, 793,450.10 and 192,048.45

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Solution

The fourth proportional to 529,119.83, 793,450.10 and 192,048.45 is: 287,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,119.83 : 793,450.10 = 192,048.45 : x
  2. Step 2: Convert to fraction form
    529,119.83/793,450.10 = 192,048.45/x
  3. Step 3: Cross multiply
    529,119.83x = 793,450.10 × 192,048.45
  4. Step 4: Simplify right side
    529,119.83x = 152,380,860,897.10
  5. Step 5: Solve for x
    x = 152,380,860,897.10/529,119.83
  6. Step 6: Final answer
    x = 287,989.32

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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.