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Finding the Fourth Proportional to 673,734.96, 929,768.28 and 367,824.21

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Solution

The fourth proportional to 673,734.96, 929,768.28 and 367,824.21 is: 507,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,734.96 : 929,768.28 = 367,824.21 : x
  2. Step 2: Convert to fraction form
    673,734.96/929,768.28 = 367,824.21/x
  3. Step 3: Cross multiply
    673,734.96x = 929,768.28 × 367,824.21
  4. Step 4: Simplify right side
    673,734.96x = 341,991,283,074.06
  5. Step 5: Solve for x
    x = 341,991,283,074.06/673,734.96
  6. Step 6: Final answer
    x = 507,605.07

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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.