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Finding the Fourth Proportional to 451,699.70, 677,549.55 and 444,701.30

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Solution

The fourth proportional to 451,699.70, 677,549.55 and 444,701.30 is: 667,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,699.70 : 677,549.55 = 444,701.30 : x
  2. Step 2: Convert to fraction form
    451,699.70/677,549.55 = 444,701.30/x
  3. Step 3: Cross multiply
    451,699.70x = 677,549.55 × 444,701.30
  4. Step 4: Simplify right side
    451,699.70x = 301,307,165,699.42
  5. Step 5: Solve for x
    x = 301,307,165,699.42/451,699.70
  6. Step 6: Final answer
    x = 667,051.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.