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Finding the Fourth Proportional to 496,163.60, 744,245.40 and 470,502.80

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Solution

The fourth proportional to 496,163.60, 744,245.40 and 470,502.80 is: 705,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,163.60 : 744,245.40 = 470,502.80 : x
  2. Step 2: Convert to fraction form
    496,163.60/744,245.40 = 470,502.80/x
  3. Step 3: Cross multiply
    496,163.60x = 744,245.40 × 470,502.80
  4. Step 4: Simplify right side
    496,163.60x = 350,169,544,587.12
  5. Step 5: Solve for x
    x = 350,169,544,587.12/496,163.60
  6. Step 6: Final answer
    x = 705,754.20

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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.