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Finding the Fourth Proportional to 373,441.68, 515,347.16 and 212,296.73

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Solution

The fourth proportional to 373,441.68, 515,347.16 and 212,296.73 is: 292,968.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,441.68 : 515,347.16 = 212,296.73 : x
  2. Step 2: Convert to fraction form
    373,441.68/515,347.16 = 212,296.73/x
  3. Step 3: Cross multiply
    373,441.68x = 515,347.16 × 212,296.73
  4. Step 4: Simplify right side
    373,441.68x = 109,406,513,244.57
  5. Step 5: Solve for x
    x = 109,406,513,244.57/373,441.68
  6. Step 6: Final answer
    x = 292,968.14

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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.