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Finding the Fourth Proportional to 243,024.20, 340,583.80 and 243,024.20

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Solution

The fourth proportional to 243,024.20, 340,583.80 and 243,024.20 is: 340,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,024.20 : 340,583.80 = 243,024.20 : x
  2. Step 2: Convert to fraction form
    243,024.20/340,583.80 = 243,024.20/x
  3. Step 3: Cross multiply
    243,024.20x = 340,583.80 × 243,024.20
  4. Step 4: Simplify right side
    243,024.20x = 82,770,105,527.96
  5. Step 5: Solve for x
    x = 82,770,105,527.96/243,024.20
  6. Step 6: Final answer
    x = 340,583.80

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1.5x scale

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.