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Finding the Fourth Proportional to 569,033.40, 851,706.90 and 443,695.80

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Solution

The fourth proportional to 569,033.40, 851,706.90 and 443,695.80 is: 664,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,033.40 : 851,706.90 = 443,695.80 : x
  2. Step 2: Convert to fraction form
    569,033.40/851,706.90 = 443,695.80/x
  3. Step 3: Cross multiply
    569,033.40x = 851,706.90 × 443,695.80
  4. Step 4: Simplify right side
    569,033.40x = 377,898,774,361.02
  5. Step 5: Solve for x
    x = 377,898,774,361.02/569,033.40
  6. Step 6: Final answer
    x = 664,106.49

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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.