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Finding the Fourth Proportional to 525,477.44, 725,064 and 295,999.04

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Solution

The fourth proportional to 525,477.44, 725,064 and 295,999.04 is: 408,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,477.44 : 725,064 = 295,999.04 : x
  2. Step 2: Convert to fraction form
    525,477.44/725,064 = 295,999.04/x
  3. Step 3: Cross multiply
    525,477.44x = 725,064 × 295,999.04
  4. Step 4: Simplify right side
    525,477.44x = 214,618,247,938.56
  5. Step 5: Solve for x
    x = 214,618,247,938.56/525,477.44
  6. Step 6: Final answer
    x = 408,425.24

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1.5x scale

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.