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Finding the Fourth Proportional to 575,295.94, 793,912.08 and 320,663.26

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Solution

The fourth proportional to 575,295.94, 793,912.08 and 320,663.26 is: 442,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,295.94 : 793,912.08 = 320,663.26 : x
  2. Step 2: Convert to fraction form
    575,295.94/793,912.08 = 320,663.26/x
  3. Step 3: Cross multiply
    575,295.94x = 793,912.08 × 320,663.26
  4. Step 4: Simplify right side
    575,295.94x = 254,578,435,726.18
  5. Step 5: Solve for x
    x = 254,578,435,726.18/575,295.94
  6. Step 6: Final answer
    x = 442,517.35

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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.