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Finding the Fourth Proportional to 427,963.55, 590,607.50 and 236,976.94

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Solution

The fourth proportional to 427,963.55, 590,607.50 and 236,976.94 is: 327,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,963.55 : 590,607.50 = 236,976.94 : x
  2. Step 2: Convert to fraction form
    427,963.55/590,607.50 = 236,976.94/x
  3. Step 3: Cross multiply
    427,963.55x = 590,607.50 × 236,976.94
  4. Step 4: Simplify right side
    427,963.55x = 139,960,358,977.42
  5. Step 5: Solve for x
    x = 139,960,358,977.42/427,963.55
  6. Step 6: Final answer
    x = 327,038.04

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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.