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Finding the Fourth Proportional to 245,792.90, 344,809.90 and 245,792.90

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Solution

The fourth proportional to 245,792.90, 344,809.90 and 245,792.90 is: 344,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,792.90 : 344,809.90 = 245,792.90 : x
  2. Step 2: Convert to fraction form
    245,792.90/344,809.90 = 245,792.90/x
  3. Step 3: Cross multiply
    245,792.90x = 344,809.90 × 245,792.90
  4. Step 4: Simplify right side
    245,792.90x = 84,751,825,269.71
  5. Step 5: Solve for x
    x = 84,751,825,269.71/245,792.90
  6. Step 6: Final answer
    x = 344,809.90

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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.