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Finding the Fourth Proportional to 573,667.92, 860,388.48 and 545,218.56

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Solution

The fourth proportional to 573,667.92, 860,388.48 and 545,218.56 is: 817,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,667.92 : 860,388.48 = 545,218.56 : x
  2. Step 2: Convert to fraction form
    573,667.92/860,388.48 = 545,218.56/x
  3. Step 3: Cross multiply
    573,667.92x = 860,388.48 × 545,218.56
  4. Step 4: Simplify right side
    573,667.92x = 469,099,768,106.19
  5. Step 5: Solve for x
    x = 469,099,768,106.19/573,667.92
  6. Step 6: Final answer
    x = 817,720.06

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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.