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Finding the Fourth Proportional to 263,506.54, 363,640.98 and 147,220.24

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Solution

The fourth proportional to 263,506.54, 363,640.98 and 147,220.24 is: 203,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,506.54 : 363,640.98 = 147,220.24 : x
  2. Step 2: Convert to fraction form
    263,506.54/363,640.98 = 147,220.24/x
  3. Step 3: Cross multiply
    263,506.54x = 363,640.98 × 147,220.24
  4. Step 4: Simplify right side
    263,506.54x = 53,535,312,349.44
  5. Step 5: Solve for x
    x = 53,535,312,349.44/263,506.54
  6. Step 6: Final answer
    x = 203,165.02

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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.