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Finding the Fourth Proportional to 437,048.12, 603,137.76 and 246,068.48

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Solution

The fourth proportional to 437,048.12, 603,137.76 and 246,068.48 is: 339,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,048.12 : 603,137.76 = 246,068.48 : x
  2. Step 2: Convert to fraction form
    437,048.12/603,137.76 = 246,068.48/x
  3. Step 3: Cross multiply
    437,048.12x = 603,137.76 × 246,068.48
  4. Step 4: Simplify right side
    437,048.12x = 148,413,191,833.81
  5. Step 5: Solve for x
    x = 148,413,191,833.81/437,048.12
  6. Step 6: Final answer
    x = 339,580.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.