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Finding the Fourth Proportional to 804,334.86, 1,109,858.76 and 464,737.50

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Solution

The fourth proportional to 804,334.86, 1,109,858.76 and 464,737.50 is: 641,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,334.86 : 1,109,858.76 = 464,737.50 : x
  2. Step 2: Convert to fraction form
    804,334.86/1,109,858.76 = 464,737.50/x
  3. Step 3: Cross multiply
    804,334.86x = 1,109,858.76 × 464,737.50
  4. Step 4: Simplify right side
    804,334.86x = 515,792,985,475.50
  5. Step 5: Solve for x
    x = 515,792,985,475.50/804,334.86
  6. Step 6: Final answer
    x = 641,266.48

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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.