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Finding the Fourth Proportional to 446,571.60, 668,820.60 and 436,203.60

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Solution

The fourth proportional to 446,571.60, 668,820.60 and 436,203.60 is: 653,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,571.60 : 668,820.60 = 436,203.60 : x
  2. Step 2: Convert to fraction form
    446,571.60/668,820.60 = 436,203.60/x
  3. Step 3: Cross multiply
    446,571.60x = 668,820.60 × 436,203.60
  4. Step 4: Simplify right side
    446,571.60x = 291,741,953,474.16
  5. Step 5: Solve for x
    x = 291,741,953,474.16/446,571.60
  6. Step 6: Final answer
    x = 653,292.67

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1.5x scale

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.