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Finding the Fourth Proportional to 577,066.60, 864,563.10 and 494,122.60

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Solution

The fourth proportional to 577,066.60, 864,563.10 and 494,122.60 is: 740,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,066.60 : 864,563.10 = 494,122.60 : x
  2. Step 2: Convert to fraction form
    577,066.60/864,563.10 = 494,122.60/x
  3. Step 3: Cross multiply
    577,066.60x = 864,563.10 × 494,122.60
  4. Step 4: Simplify right side
    577,066.60x = 427,200,166,836.06
  5. Step 5: Solve for x
    x = 427,200,166,836.06/577,066.60
  6. Step 6: Final answer
    x = 740,296.12

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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.