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Finding the Fourth Proportional to 577,089.60, 864,597.60 and 494,145.60

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Solution

The fourth proportional to 577,089.60, 864,597.60 and 494,145.60 is: 740,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,089.60 : 864,597.60 = 494,145.60 : x
  2. Step 2: Convert to fraction form
    577,089.60/864,597.60 = 494,145.60/x
  3. Step 3: Cross multiply
    577,089.60x = 864,597.60 × 494,145.60
  4. Step 4: Simplify right side
    577,089.60x = 427,237,099,810.56
  5. Step 5: Solve for x
    x = 427,237,099,810.56/577,089.60
  6. Step 6: Final answer
    x = 740,330.62

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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.