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Finding the Fourth Proportional to 655,758.34, 904,961.94 and 365,389.54

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Solution

The fourth proportional to 655,758.34, 904,961.94 and 365,389.54 is: 504,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,758.34 : 904,961.94 = 365,389.54 : x
  2. Step 2: Convert to fraction form
    655,758.34/904,961.94 = 365,389.54/x
  3. Step 3: Cross multiply
    655,758.34x = 904,961.94 × 365,389.54
  4. Step 4: Simplify right side
    655,758.34x = 330,663,626,974.11
  5. Step 5: Solve for x
    x = 330,663,626,974.11/655,758.34
  6. Step 6: Final answer
    x = 504,246.16

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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.