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Finding the Fourth Proportional to 318,317.73, 439,271.82 and 175,075.44

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Solution

The fourth proportional to 318,317.73, 439,271.82 and 175,075.44 is: 241,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,317.73 : 439,271.82 = 175,075.44 : x
  2. Step 2: Convert to fraction form
    318,317.73/439,271.82 = 175,075.44/x
  3. Step 3: Cross multiply
    318,317.73x = 439,271.82 × 175,075.44
  4. Step 4: Simplify right side
    318,317.73x = 76,905,707,166.10
  5. Step 5: Solve for x
    x = 76,905,707,166.10/318,317.73
  6. Step 6: Final answer
    x = 241,600.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.