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Finding the Fourth Proportional to 373,672.26, 515,666.97 and 210,315.60

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Solution

The fourth proportional to 373,672.26, 515,666.97 and 210,315.60 is: 290,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,672.26 : 515,666.97 = 210,315.60 : x
  2. Step 2: Convert to fraction form
    373,672.26/515,666.97 = 210,315.60/x
  3. Step 3: Cross multiply
    373,672.26x = 515,666.97 × 210,315.60
  4. Step 4: Simplify right side
    373,672.26x = 108,452,808,195.73
  5. Step 5: Solve for x
    x = 108,452,808,195.73/373,672.26
  6. Step 6: Final answer
    x = 290,235.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.