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Finding the Fourth Proportional to 577,697.60, 866,200.80 and 297,761.60

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Solution

The fourth proportional to 577,697.60, 866,200.80 and 297,761.60 is: 446,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,697.60 : 866,200.80 = 297,761.60 : x
  2. Step 2: Convert to fraction form
    577,697.60/866,200.80 = 297,761.60/x
  3. Step 3: Cross multiply
    577,697.60x = 866,200.80 × 297,761.60
  4. Step 4: Simplify right side
    577,697.60x = 257,921,336,129.28
  5. Step 5: Solve for x
    x = 257,921,336,129.28/577,697.60
  6. Step 6: Final answer
    x = 446,464.27

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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.