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Finding the Fourth Proportional to 655,251.66, 904,097.70 and 368,667.18

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Solution

The fourth proportional to 655,251.66, 904,097.70 and 368,667.18 is: 508,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,251.66 : 904,097.70 = 368,667.18 : x
  2. Step 2: Convert to fraction form
    655,251.66/904,097.70 = 368,667.18/x
  3. Step 3: Cross multiply
    655,251.66x = 904,097.70 × 368,667.18
  4. Step 4: Simplify right side
    655,251.66x = 333,311,149,503.49
  5. Step 5: Solve for x
    x = 333,311,149,503.49/655,251.66
  6. Step 6: Final answer
    x = 508,676.54

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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.