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Finding the Fourth Proportional to 245,841.30, 343,390.50 and 245,841.30

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Solution

The fourth proportional to 245,841.30, 343,390.50 and 245,841.30 is: 343,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,841.30 : 343,390.50 = 245,841.30 : x
  2. Step 2: Convert to fraction form
    245,841.30/343,390.50 = 245,841.30/x
  3. Step 3: Cross multiply
    245,841.30x = 343,390.50 × 245,841.30
  4. Step 4: Simplify right side
    245,841.30x = 84,419,566,927.65
  5. Step 5: Solve for x
    x = 84,419,566,927.65/245,841.30
  6. Step 6: Final answer
    x = 343,390.50

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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.