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Finding the Fourth Proportional to 375,279.03, 517,756.73 and 214,018.29

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Solution

The fourth proportional to 375,279.03, 517,756.73 and 214,018.29 is: 295,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,279.03 : 517,756.73 = 214,018.29 : x
  2. Step 2: Convert to fraction form
    375,279.03/517,756.73 = 214,018.29/x
  3. Step 3: Cross multiply
    375,279.03x = 517,756.73 × 214,018.29
  4. Step 4: Simplify right side
    375,279.03x = 110,809,408,920.50
  5. Step 5: Solve for x
    x = 110,809,408,920.50/375,279.03
  6. Step 6: Final answer
    x = 295,272.05

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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.