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Finding the Fourth Proportional to 549,018.23, 757,537.49 and 344,950.94

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Solution

The fourth proportional to 549,018.23, 757,537.49 and 344,950.94 is: 475,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,018.23 : 757,537.49 = 344,950.94 : x
  2. Step 2: Convert to fraction form
    549,018.23/757,537.49 = 344,950.94/x
  3. Step 3: Cross multiply
    549,018.23x = 757,537.49 × 344,950.94
  4. Step 4: Simplify right side
    549,018.23x = 261,313,263,748.30
  5. Step 5: Solve for x
    x = 261,313,263,748.30/549,018.23
  6. Step 6: Final answer
    x = 475,964.64

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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.