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Finding the Fourth Proportional to 478,157.50, 659,857.35 and 263,297.10

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Solution

The fourth proportional to 478,157.50, 659,857.35 and 263,297.10 is: 363,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,157.50 : 659,857.35 = 263,297.10 : x
  2. Step 2: Convert to fraction form
    478,157.50/659,857.35 = 263,297.10/x
  3. Step 3: Cross multiply
    478,157.50x = 659,857.35 × 263,297.10
  4. Step 4: Simplify right side
    478,157.50x = 173,738,526,668.69
  5. Step 5: Solve for x
    x = 173,738,526,668.69/478,157.50
  6. Step 6: Final answer
    x = 363,350.00

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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.