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Finding the Fourth Proportional to 384,777.70, 577,166.55 and 104,294.95

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Solution

The fourth proportional to 384,777.70, 577,166.55 and 104,294.95 is: 156,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,777.70 : 577,166.55 = 104,294.95 : x
  2. Step 2: Convert to fraction form
    384,777.70/577,166.55 = 104,294.95/x
  3. Step 3: Cross multiply
    384,777.70x = 577,166.55 × 104,294.95
  4. Step 4: Simplify right side
    384,777.70x = 60,195,556,473.92
  5. Step 5: Solve for x
    x = 60,195,556,473.92/384,777.70
  6. Step 6: Final answer
    x = 156,442.43

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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.