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Finding the Fourth Proportional to 211,583.20, 297,003.80 and 211,583.20

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Solution

The fourth proportional to 211,583.20, 297,003.80 and 211,583.20 is: 297,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,583.20 : 297,003.80 = 211,583.20 : x
  2. Step 2: Convert to fraction form
    211,583.20/297,003.80 = 211,583.20/x
  3. Step 3: Cross multiply
    211,583.20x = 297,003.80 × 211,583.20
  4. Step 4: Simplify right side
    211,583.20x = 62,841,014,416.16
  5. Step 5: Solve for x
    x = 62,841,014,416.16/211,583.20
  6. Step 6: Final answer
    x = 297,003.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.