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Finding the Fourth Proportional to 245,044.90, 343,762.70 and 245,044.90

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Solution

The fourth proportional to 245,044.90, 343,762.70 and 245,044.90 is: 343,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,044.90 : 343,762.70 = 245,044.90 : x
  2. Step 2: Convert to fraction form
    245,044.90/343,762.70 = 245,044.90/x
  3. Step 3: Cross multiply
    245,044.90x = 343,762.70 × 245,044.90
  4. Step 4: Simplify right side
    245,044.90x = 84,237,296,445.23
  5. Step 5: Solve for x
    x = 84,237,296,445.23/245,044.90
  6. Step 6: Final answer
    x = 343,762.70

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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.