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Finding the Fourth Proportional to 375,711.70, 562,237.21 and 233,623.89

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Solution

The fourth proportional to 375,711.70, 562,237.21 and 233,623.89 is: 349,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,711.70 : 562,237.21 = 233,623.89 : x
  2. Step 2: Convert to fraction form
    375,711.70/562,237.21 = 233,623.89/x
  3. Step 3: Cross multiply
    375,711.70x = 562,237.21 × 233,623.89
  4. Step 4: Simplify right side
    375,711.70x = 131,352,044,328.19
  5. Step 5: Solve for x
    x = 131,352,044,328.19/375,711.70
  6. Step 6: Final answer
    x = 349,608.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.