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Finding the Fourth Proportional to 580,150.47, 800,658.31 and 338,510.89

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Solution

The fourth proportional to 580,150.47, 800,658.31 and 338,510.89 is: 467,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,150.47 : 800,658.31 = 338,510.89 : x
  2. Step 2: Convert to fraction form
    580,150.47/800,658.31 = 338,510.89/x
  3. Step 3: Cross multiply
    580,150.47x = 800,658.31 × 338,510.89
  4. Step 4: Simplify right side
    580,150.47x = 271,031,551,408.15
  5. Step 5: Solve for x
    x = 271,031,551,408.15/580,150.47
  6. Step 6: Final answer
    x = 467,174.58

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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.