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Finding the Fourth Proportional to 255,068.80, 382,603.20 and 227,512.60

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Solution

The fourth proportional to 255,068.80, 382,603.20 and 227,512.60 is: 341,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,068.80 : 382,603.20 = 227,512.60 : x
  2. Step 2: Convert to fraction form
    255,068.80/382,603.20 = 227,512.60/x
  3. Step 3: Cross multiply
    255,068.80x = 382,603.20 × 227,512.60
  4. Step 4: Simplify right side
    255,068.80x = 87,047,048,800.32
  5. Step 5: Solve for x
    x = 87,047,048,800.32/255,068.80
  6. Step 6: Final answer
    x = 341,268.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.