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Finding the Fourth Proportional to 577,231.20, 864,097.20 and 436,096.80

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Solution

The fourth proportional to 577,231.20, 864,097.20 and 436,096.80 is: 652,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,231.20 : 864,097.20 = 436,096.80 : x
  2. Step 2: Convert to fraction form
    577,231.20/864,097.20 = 436,096.80/x
  3. Step 3: Cross multiply
    577,231.20x = 864,097.20 × 436,096.80
  4. Step 4: Simplify right side
    577,231.20x = 376,830,023,808.96
  5. Step 5: Solve for x
    x = 376,830,023,808.96/577,231.20
  6. Step 6: Final answer
    x = 652,823.38

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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.