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Finding the Fourth Proportional to 375,026.21, 517,537.53 and 202,944.15

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Solution

The fourth proportional to 375,026.21, 517,537.53 and 202,944.15 is: 280,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,026.21 : 517,537.53 = 202,944.15 : x
  2. Step 2: Convert to fraction form
    375,026.21/517,537.53 = 202,944.15/x
  3. Step 3: Cross multiply
    375,026.21x = 517,537.53 × 202,944.15
  4. Step 4: Simplify right side
    375,026.21x = 105,031,214,118.95
  5. Step 5: Solve for x
    x = 105,031,214,118.95/375,026.21
  6. Step 6: Final answer
    x = 280,063.67

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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.