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Finding the Fourth Proportional to 463,997.52, 640,361.52 and 260,083.08

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Solution

The fourth proportional to 463,997.52, 640,361.52 and 260,083.08 is: 358,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,997.52 : 640,361.52 = 260,083.08 : x
  2. Step 2: Convert to fraction form
    463,997.52/640,361.52 = 260,083.08/x
  3. Step 3: Cross multiply
    463,997.52x = 640,361.52 × 260,083.08
  4. Step 4: Simplify right side
    463,997.52x = 166,547,196,435.08
  5. Step 5: Solve for x
    x = 166,547,196,435.08/463,997.52
  6. Step 6: Final answer
    x = 358,939.84

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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.