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Finding the Fourth Proportional to 365,820.70, 551,472.94 and 341,435.65

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Solution

The fourth proportional to 365,820.70, 551,472.94 and 341,435.65 is: 514,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,820.70 : 551,472.94 = 341,435.65 : x
  2. Step 2: Convert to fraction form
    365,820.70/551,472.94 = 341,435.65/x
  3. Step 3: Cross multiply
    365,820.70x = 551,472.94 × 341,435.65
  4. Step 4: Simplify right side
    365,820.70x = 188,292,521,726.31
  5. Step 5: Solve for x
    x = 188,292,521,726.31/365,820.70
  6. Step 6: Final answer
    x = 514,712.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.