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Finding the Fourth Proportional to 575,308.94, 793,930.02 and 320,676.26

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Solution

The fourth proportional to 575,308.94, 793,930.02 and 320,676.26 is: 442,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,308.94 : 793,930.02 = 320,676.26 : x
  2. Step 2: Convert to fraction form
    575,308.94/793,930.02 = 320,676.26/x
  3. Step 3: Cross multiply
    575,308.94x = 793,930.02 × 320,676.26
  4. Step 4: Simplify right side
    575,308.94x = 254,594,509,515.33
  5. Step 5: Solve for x
    x = 254,594,509,515.33/575,308.94
  6. Step 6: Final answer
    x = 442,535.29

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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.