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Finding the Fourth Proportional to 673,887.86, 929,575.41 and 435,423.86

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Solution

The fourth proportional to 673,887.86, 929,575.41 and 435,423.86 is: 600,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,887.86 : 929,575.41 = 435,423.86 : x
  2. Step 2: Convert to fraction form
    673,887.86/929,575.41 = 435,423.86/x
  3. Step 3: Cross multiply
    673,887.86x = 929,575.41 × 435,423.86
  4. Step 4: Simplify right side
    673,887.86x = 404,759,313,183.28
  5. Step 5: Solve for x
    x = 404,759,313,183.28/673,887.86
  6. Step 6: Final answer
    x = 600,633.04

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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.