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Finding the Fourth Proportional to 559,954.44, 772,709.22 and 318,205.08

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Solution

The fourth proportional to 559,954.44, 772,709.22 and 318,205.08 is: 439,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,954.44 : 772,709.22 = 318,205.08 : x
  2. Step 2: Convert to fraction form
    559,954.44/772,709.22 = 318,205.08/x
  3. Step 3: Cross multiply
    559,954.44x = 772,709.22 × 318,205.08
  4. Step 4: Simplify right side
    559,954.44x = 245,879,999,166.84
  5. Step 5: Solve for x
    x = 245,879,999,166.84/559,954.44
  6. Step 6: Final answer
    x = 439,107.15

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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.