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Finding the Fourth Proportional to 528,188.75, 792,269.00 and 149,135.48

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Solution

The fourth proportional to 528,188.75, 792,269.00 and 149,135.48 is: 223,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,188.75 : 792,269.00 = 149,135.48 : x
  2. Step 2: Convert to fraction form
    528,188.75/792,269.00 = 149,135.48/x
  3. Step 3: Cross multiply
    528,188.75x = 792,269.00 × 149,135.48
  4. Step 4: Simplify right side
    528,188.75x = 118,155,416,427.36
  5. Step 5: Solve for x
    x = 118,155,416,427.36/528,188.75
  6. Step 6: Final answer
    x = 223,699.23

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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.