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Finding the Fourth Proportional to 567,977.04, 783,668.52 and 347,158.44

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Solution

The fourth proportional to 567,977.04, 783,668.52 and 347,158.44 is: 478,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,977.04 : 783,668.52 = 347,158.44 : x
  2. Step 2: Convert to fraction form
    567,977.04/783,668.52 = 347,158.44/x
  3. Step 3: Cross multiply
    567,977.04x = 783,668.52 × 347,158.44
  4. Step 4: Simplify right side
    567,977.04x = 272,057,140,880.31
  5. Step 5: Solve for x
    x = 272,057,140,880.31/567,977.04
  6. Step 6: Final answer
    x = 478,993.20

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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.