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Finding the Fourth Proportional to 384,902.34, 577,285.47 and 104,441.46

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Solution

The fourth proportional to 384,902.34, 577,285.47 and 104,441.46 is: 156,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,902.34 : 577,285.47 = 104,441.46 : x
  2. Step 2: Convert to fraction form
    384,902.34/577,285.47 = 104,441.46/x
  3. Step 3: Cross multiply
    384,902.34x = 577,285.47 × 104,441.46
  4. Step 4: Simplify right side
    384,902.34x = 60,292,537,323.59
  5. Step 5: Solve for x
    x = 60,292,537,323.59/384,902.34
  6. Step 6: Final answer
    x = 156,643.73

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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.