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Finding the Fourth Proportional to 673,765.74, 929,756.88 and 367,781.22

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Solution

The fourth proportional to 673,765.74, 929,756.88 and 367,781.22 is: 507,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,765.74 : 929,756.88 = 367,781.22 : x
  2. Step 2: Convert to fraction form
    673,765.74/929,756.88 = 367,781.22/x
  3. Step 3: Cross multiply
    673,765.74x = 929,756.88 × 367,781.22
  4. Step 4: Simplify right side
    673,765.74x = 341,947,119,629.79
  5. Step 5: Solve for x
    x = 341,947,119,629.79/673,765.74
  6. Step 6: Final answer
    x = 507,516.34

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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.