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Finding the Fourth Proportional to 245,837.30, 343,384.90 and 245,837.30

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Solution

The fourth proportional to 245,837.30, 343,384.90 and 245,837.30 is: 343,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,837.30 : 343,384.90 = 245,837.30 : x
  2. Step 2: Convert to fraction form
    245,837.30/343,384.90 = 245,837.30/x
  3. Step 3: Cross multiply
    245,837.30x = 343,384.90 × 245,837.30
  4. Step 4: Simplify right side
    245,837.30x = 84,416,816,676.77
  5. Step 5: Solve for x
    x = 84,416,816,676.77/245,837.30
  6. Step 6: Final answer
    x = 343,384.90

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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.