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Finding the Fourth Proportional to 242,570.90, 340,299.10 and 242,570.90

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Solution

The fourth proportional to 242,570.90, 340,299.10 and 242,570.90 is: 340,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,570.90 : 340,299.10 = 242,570.90 : x
  2. Step 2: Convert to fraction form
    242,570.90/340,299.10 = 242,570.90/x
  3. Step 3: Cross multiply
    242,570.90x = 340,299.10 × 242,570.90
  4. Step 4: Simplify right side
    242,570.90x = 82,546,658,956.19
  5. Step 5: Solve for x
    x = 82,546,658,956.19/242,570.90
  6. Step 6: Final answer
    x = 340,299.10

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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.