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Finding the Fourth Proportional to 647,399.14, 893,794.02 and 575,580.48

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Solution

The fourth proportional to 647,399.14, 893,794.02 and 575,580.48 is: 794,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,399.14 : 893,794.02 = 575,580.48 : x
  2. Step 2: Convert to fraction form
    647,399.14/893,794.02 = 575,580.48/x
  3. Step 3: Cross multiply
    647,399.14x = 893,794.02 × 575,580.48
  4. Step 4: Simplify right side
    647,399.14x = 514,450,391,052.73
  5. Step 5: Solve for x
    x = 514,450,391,052.73/647,399.14
  6. Step 6: Final answer
    x = 794,641.76

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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.