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Finding the Fourth Proportional to 446,463.90, 669,197.70 and 193,452.30

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Solution

The fourth proportional to 446,463.90, 669,197.70 and 193,452.30 is: 289,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,463.90 : 669,197.70 = 193,452.30 : x
  2. Step 2: Convert to fraction form
    446,463.90/669,197.70 = 193,452.30/x
  3. Step 3: Cross multiply
    446,463.90x = 669,197.70 × 193,452.30
  4. Step 4: Simplify right side
    446,463.90x = 129,457,834,219.71
  5. Step 5: Solve for x
    x = 129,457,834,219.71/446,463.90
  6. Step 6: Final answer
    x = 289,962.60

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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.