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Finding the Fourth Proportional to 559,744.43, 772,450.83 and 305,095.01

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Solution

The fourth proportional to 559,744.43, 772,450.83 and 305,095.01 is: 421,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,744.43 : 772,450.83 = 305,095.01 : x
  2. Step 2: Convert to fraction form
    559,744.43/772,450.83 = 305,095.01/x
  3. Step 3: Cross multiply
    559,744.43x = 772,450.83 × 305,095.01
  4. Step 4: Simplify right side
    559,744.43x = 235,670,889,841.10
  5. Step 5: Solve for x
    x = 235,670,889,841.10/559,744.43
  6. Step 6: Final answer
    x = 421,033.03

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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.