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Finding the Fourth Proportional to 707,836.01, 977,027.15 and 481,612.73

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Solution

The fourth proportional to 707,836.01, 977,027.15 and 481,612.73 is: 664,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,836.01 : 977,027.15 = 481,612.73 : x
  2. Step 2: Convert to fraction form
    707,836.01/977,027.15 = 481,612.73/x
  3. Step 3: Cross multiply
    707,836.01x = 977,027.15 × 481,612.73
  4. Step 4: Simplify right side
    707,836.01x = 470,548,710,587.56
  5. Step 5: Solve for x
    x = 470,548,710,587.56/707,836.01
  6. Step 6: Final answer
    x = 664,770.80

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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.