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Finding the Fourth Proportional to 373,467.06, 515,428.11 and 212,346.25

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Solution

The fourth proportional to 373,467.06, 515,428.11 and 212,346.25 is: 293,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,467.06 : 515,428.11 = 212,346.25 : x
  2. Step 2: Convert to fraction form
    373,467.06/515,428.11 = 212,346.25/x
  3. Step 3: Cross multiply
    373,467.06x = 515,428.11 × 212,346.25
  4. Step 4: Simplify right side
    373,467.06x = 109,449,226,303.09
  5. Step 5: Solve for x
    x = 109,449,226,303.09/373,467.06
  6. Step 6: Final answer
    x = 293,062.60

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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.