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Finding the Fourth Proportional to 446,396.08, 669,520.14 and 146,880.40

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Solution

The fourth proportional to 446,396.08, 669,520.14 and 146,880.40 is: 220,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,396.08 : 669,520.14 = 146,880.40 : x
  2. Step 2: Convert to fraction form
    446,396.08/669,520.14 = 146,880.40/x
  3. Step 3: Cross multiply
    446,396.08x = 669,520.14 × 146,880.40
  4. Step 4: Simplify right side
    446,396.08x = 98,339,385,971.26
  5. Step 5: Solve for x
    x = 98,339,385,971.26/446,396.08
  6. Step 6: Final answer
    x = 220,296.26

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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.