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Finding the Fourth Proportional to 529,362.39, 793,844.86 and 192,319.77

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Solution

The fourth proportional to 529,362.39, 793,844.86 and 192,319.77 is: 288,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,362.39 : 793,844.86 = 192,319.77 : x
  2. Step 2: Convert to fraction form
    529,362.39/793,844.86 = 192,319.77/x
  3. Step 3: Cross multiply
    529,362.39x = 793,844.86 × 192,319.77
  4. Step 4: Simplify right side
    529,362.39x = 152,672,060,890.88
  5. Step 5: Solve for x
    x = 152,672,060,890.88/529,362.39
  6. Step 6: Final answer
    x = 288,407.46

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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.