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Finding the Fourth Proportional to 655,251.91, 904,098.05 and 368,667.43

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Solution

The fourth proportional to 655,251.91, 904,098.05 and 368,667.43 is: 508,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,251.91 : 904,098.05 = 368,667.43 : x
  2. Step 2: Convert to fraction form
    655,251.91/904,098.05 = 368,667.43/x
  3. Step 3: Cross multiply
    655,251.91x = 904,098.05 × 368,667.43
  4. Step 4: Simplify right side
    655,251.91x = 333,311,502,718.17
  5. Step 5: Solve for x
    x = 333,311,502,718.17/655,251.91
  6. Step 6: Final answer
    x = 508,676.89

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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.