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Finding the Fourth Proportional to 437,539, 603,804.06 and 236,335

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Solution

The fourth proportional to 437,539, 603,804.06 and 236,335 is: 326,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,539 : 603,804.06 = 236,335 : x
  2. Step 2: Convert to fraction form
    437,539/603,804.06 = 236,335/x
  3. Step 3: Cross multiply
    437,539x = 603,804.06 × 236,335
  4. Step 4: Simplify right side
    437,539x = 142,700,032,520.10
  5. Step 5: Solve for x
    x = 142,700,032,520.10/437,539
  6. Step 6: Final answer
    x = 326,142.43

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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.