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Finding the Fourth Proportional to 452,715.88, 624,745.83 and 248,779.48

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Solution

The fourth proportional to 452,715.88, 624,745.83 and 248,779.48 is: 343,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,715.88 : 624,745.83 = 248,779.48 : x
  2. Step 2: Convert to fraction form
    452,715.88/624,745.83 = 248,779.48/x
  3. Step 3: Cross multiply
    452,715.88x = 624,745.83 × 248,779.48
  4. Step 4: Simplify right side
    452,715.88x = 155,423,942,719.57
  5. Step 5: Solve for x
    x = 155,423,942,719.57/452,715.88
  6. Step 6: Final answer
    x = 343,314.54

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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.