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Finding the Fourth Proportional to 673,435.86, 929,346.90 and 367,514.64

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Solution

The fourth proportional to 673,435.86, 929,346.90 and 367,514.64 is: 507,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,435.86 : 929,346.90 = 367,514.64 : x
  2. Step 2: Convert to fraction form
    673,435.86/929,346.90 = 367,514.64/x
  3. Step 3: Cross multiply
    673,435.86x = 929,346.90 × 367,514.64
  4. Step 4: Simplify right side
    673,435.86x = 341,548,591,388.62
  5. Step 5: Solve for x
    x = 341,548,591,388.62/673,435.86
  6. Step 6: Final answer
    x = 507,173.16

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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.