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Finding the Fourth Proportional to 683,659.15, 943,472.96 and 429,150.67

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Solution

The fourth proportional to 683,659.15, 943,472.96 and 429,150.67 is: 592,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,659.15 : 943,472.96 = 429,150.67 : x
  2. Step 2: Convert to fraction form
    683,659.15/943,472.96 = 429,150.67/x
  3. Step 3: Cross multiply
    683,659.15x = 943,472.96 × 429,150.67
  4. Step 4: Simplify right side
    683,659.15x = 404,892,052,910.88
  5. Step 5: Solve for x
    x = 404,892,052,910.88/683,659.15
  6. Step 6: Final answer
    x = 592,242.57

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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.