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Finding the Fourth Proportional to 437,541.50, 603,807.36 and 236,337.50

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Solution

The fourth proportional to 437,541.50, 603,807.36 and 236,337.50 is: 326,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,541.50 : 603,807.36 = 236,337.50 : x
  2. Step 2: Convert to fraction form
    437,541.50/603,807.36 = 236,337.50/x
  3. Step 3: Cross multiply
    437,541.50x = 603,807.36 × 236,337.50
  4. Step 4: Simplify right side
    437,541.50x = 142,702,321,944
  5. Step 5: Solve for x
    x = 142,702,321,944/437,541.50
  6. Step 6: Final answer
    x = 326,145.80

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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.