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Finding the Fourth Proportional to 536,405.70, 804,608.55 and 528,111.30

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Solution

The fourth proportional to 536,405.70, 804,608.55 and 528,111.30 is: 792,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,405.70 : 804,608.55 = 528,111.30 : x
  2. Step 2: Convert to fraction form
    536,405.70/804,608.55 = 528,111.30/x
  3. Step 3: Cross multiply
    536,405.70x = 804,608.55 × 528,111.30
  4. Step 4: Simplify right side
    536,405.70x = 424,922,867,331.62
  5. Step 5: Solve for x
    x = 424,922,867,331.62/536,405.70
  6. Step 6: Final answer
    x = 792,166.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.