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Finding the Fourth Proportional to 468,243.45, 646,205.25 and 264,328.92

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Solution

The fourth proportional to 468,243.45, 646,205.25 and 264,328.92 is: 364,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,243.45 : 646,205.25 = 264,328.92 : x
  2. Step 2: Convert to fraction form
    468,243.45/646,205.25 = 264,328.92/x
  3. Step 3: Cross multiply
    468,243.45x = 646,205.25 × 264,328.92
  4. Step 4: Simplify right side
    468,243.45x = 170,810,735,830.83
  5. Step 5: Solve for x
    x = 170,810,735,830.83/468,243.45
  6. Step 6: Final answer
    x = 364,790.44

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1.5x scale

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.