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Finding the Fourth Proportional to 506,563.20, 699,652.08 and 404,940.60

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Solution

The fourth proportional to 506,563.20, 699,652.08 and 404,940.60 is: 559,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,563.20 : 699,652.08 = 404,940.60 : x
  2. Step 2: Convert to fraction form
    506,563.20/699,652.08 = 404,940.60/x
  3. Step 3: Cross multiply
    506,563.20x = 699,652.08 × 404,940.60
  4. Step 4: Simplify right side
    506,563.20x = 283,317,533,066.45
  5. Step 5: Solve for x
    x = 283,317,533,066.45/506,563.20
  6. Step 6: Final answer
    x = 559,293.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.