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Finding the Fourth Proportional to 528,517.45, 792,802.86 and 149,465.44

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Solution

The fourth proportional to 528,517.45, 792,802.86 and 149,465.44 is: 224,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,517.45 : 792,802.86 = 149,465.44 : x
  2. Step 2: Convert to fraction form
    528,517.45/792,802.86 = 149,465.44/x
  3. Step 3: Cross multiply
    528,517.45x = 792,802.86 × 149,465.44
  4. Step 4: Simplify right side
    528,517.45x = 118,496,628,303.16
  5. Step 5: Solve for x
    x = 118,496,628,303.16/528,517.45
  6. Step 6: Final answer
    x = 224,205.71

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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.