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Finding the Fourth Proportional to 683,658.15, 943,471.58 and 429,149.67

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Solution

The fourth proportional to 683,658.15, 943,471.58 and 429,149.67 is: 592,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,658.15 : 943,471.58 = 429,149.67 : x
  2. Step 2: Convert to fraction form
    683,658.15/943,471.58 = 429,149.67/x
  3. Step 3: Cross multiply
    683,658.15x = 943,471.58 × 429,149.67
  4. Step 4: Simplify right side
    683,658.15x = 404,890,515,065.63
  5. Step 5: Solve for x
    x = 404,890,515,065.63/683,658.15
  6. Step 6: Final answer
    x = 592,241.19

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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.