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Finding the Fourth Proportional to 446,544.80, 669,622.80 and 146,909.60

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Solution

The fourth proportional to 446,544.80, 669,622.80 and 146,909.60 is: 220,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,544.80 : 669,622.80 = 146,909.60 : x
  2. Step 2: Convert to fraction form
    446,544.80/669,622.80 = 146,909.60/x
  3. Step 3: Cross multiply
    446,544.80x = 669,622.80 × 146,909.60
  4. Step 4: Simplify right side
    446,544.80x = 98,374,017,698.88
  5. Step 5: Solve for x
    x = 98,374,017,698.88/446,544.80
  6. Step 6: Final answer
    x = 220,300.44

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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.