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Finding the Fourth Proportional to 577,089.75, 869,573.68 and 474,213.27

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Solution

The fourth proportional to 577,089.75, 869,573.68 and 474,213.27 is: 714,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,089.75 : 869,573.68 = 474,213.27 : x
  2. Step 2: Convert to fraction form
    577,089.75/869,573.68 = 474,213.27/x
  3. Step 3: Cross multiply
    577,089.75x = 869,573.68 × 474,213.27
  4. Step 4: Simplify right side
    577,089.75x = 412,363,373,950.87
  5. Step 5: Solve for x
    x = 412,363,373,950.87/577,089.75
  6. Step 6: Final answer
    x = 714,556.75

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1.5x scale

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.