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Finding the Fourth Proportional to 548,567.33, 757,490.15 and 344,958.98

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Solution

The fourth proportional to 548,567.33, 757,490.15 and 344,958.98 is: 476,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,567.33 : 757,490.15 = 344,958.98 : x
  2. Step 2: Convert to fraction form
    548,567.33/757,490.15 = 344,958.98/x
  3. Step 3: Cross multiply
    548,567.33x = 757,490.15 × 344,958.98
  4. Step 4: Simplify right side
    548,567.33x = 261,303,027,779.25
  5. Step 5: Solve for x
    x = 261,303,027,779.25/548,567.33
  6. Step 6: Final answer
    x = 476,337.20

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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.