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Finding the Fourth Proportional to 374,163.63, 516,346.29 and 213,018.67

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Solution

The fourth proportional to 374,163.63, 516,346.29 and 213,018.67 is: 293,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,163.63 : 516,346.29 = 213,018.67 : x
  2. Step 2: Convert to fraction form
    374,163.63/516,346.29 = 213,018.67/x
  3. Step 3: Cross multiply
    374,163.63x = 516,346.29 × 213,018.67
  4. Step 4: Simplify right side
    374,163.63x = 109,991,396,308.41
  5. Step 5: Solve for x
    x = 109,991,396,308.41/374,163.63
  6. Step 6: Final answer
    x = 293,966.03

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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.