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Finding the Fourth Proportional to 501,605.60, 692,169.91 and 297,621.41

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Solution

The fourth proportional to 501,605.60, 692,169.91 and 297,621.41 is: 410,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,605.60 : 692,169.91 = 297,621.41 : x
  2. Step 2: Convert to fraction form
    501,605.60/692,169.91 = 297,621.41/x
  3. Step 3: Cross multiply
    501,605.60x = 692,169.91 × 297,621.41
  4. Step 4: Simplify right side
    501,605.60x = 206,004,580,368.87
  5. Step 5: Solve for x
    x = 206,004,580,368.87/501,605.60
  6. Step 6: Final answer
    x = 410,690.36

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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.