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Finding the Fourth Proportional to 373,647.02, 515,644.29 and 212,525.29

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Solution

The fourth proportional to 373,647.02, 515,644.29 and 212,525.29 is: 293,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,647.02 : 515,644.29 = 212,525.29 : x
  2. Step 2: Convert to fraction form
    373,647.02/515,644.29 = 212,525.29/x
  3. Step 3: Cross multiply
    373,647.02x = 515,644.29 × 212,525.29
  4. Step 4: Simplify right side
    373,647.02x = 109,587,448,628.25
  5. Step 5: Solve for x
    x = 109,587,448,628.25/373,647.02
  6. Step 6: Final answer
    x = 293,291.38

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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.