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Finding the Fourth Proportional to 577,089.37, 869,573.11 and 474,212.89

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Solution

The fourth proportional to 577,089.37, 869,573.11 and 474,212.89 is: 714,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,089.37 : 869,573.11 = 474,212.89 : x
  2. Step 2: Convert to fraction form
    577,089.37/869,573.11 = 474,212.89/x
  3. Step 3: Cross multiply
    577,089.37x = 869,573.11 × 474,212.89
  4. Step 4: Simplify right side
    577,089.37x = 412,362,777,559.39
  5. Step 5: Solve for x
    x = 412,362,777,559.39/577,089.37
  6. Step 6: Final answer
    x = 714,556.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.