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Finding the Fourth Proportional to 525,923.76, 725,327.68 and 444,648.32

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Solution

The fourth proportional to 525,923.76, 725,327.68 and 444,648.32 is: 613,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,923.76 : 725,327.68 = 444,648.32 : x
  2. Step 2: Convert to fraction form
    525,923.76/725,327.68 = 444,648.32/x
  3. Step 3: Cross multiply
    525,923.76x = 725,327.68 × 444,648.32
  4. Step 4: Simplify right side
    525,923.76x = 322,515,734,361.50
  5. Step 5: Solve for x
    x = 322,515,734,361.50/525,923.76
  6. Step 6: Final answer
    x = 613,236.67

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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.