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Finding the Fourth Proportional to 575,294.94, 793,910.70 and 320,662.26

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Solution

The fourth proportional to 575,294.94, 793,910.70 and 320,662.26 is: 442,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,294.94 : 793,910.70 = 320,662.26 : x
  2. Step 2: Convert to fraction form
    575,294.94/793,910.70 = 320,662.26/x
  3. Step 3: Cross multiply
    575,294.94x = 793,910.70 × 320,662.26
  4. Step 4: Simplify right side
    575,294.94x = 254,577,199,300.18
  5. Step 5: Solve for x
    x = 254,577,199,300.18/575,294.94
  6. Step 6: Final answer
    x = 442,515.97

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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.