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Finding the Fourth Proportional to 616,757.58, 850,654.21 and 530,860.42

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Solution

The fourth proportional to 616,757.58, 850,654.21 and 530,860.42 is: 732,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,757.58 : 850,654.21 = 530,860.42 : x
  2. Step 2: Convert to fraction form
    616,757.58/850,654.21 = 530,860.42/x
  3. Step 3: Cross multiply
    616,757.58x = 850,654.21 × 530,860.42
  4. Step 4: Simplify right side
    616,757.58x = 451,578,651,195.37
  5. Step 5: Solve for x
    x = 451,578,651,195.37/616,757.58
  6. Step 6: Final answer
    x = 732,181.76

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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.