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Finding the Fourth Proportional to 188,438.40, 264,513.60 and 188,438.40

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Solution

The fourth proportional to 188,438.40, 264,513.60 and 188,438.40 is: 264,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,438.40 : 264,513.60 = 188,438.40 : x
  2. Step 2: Convert to fraction form
    188,438.40/264,513.60 = 188,438.40/x
  3. Step 3: Cross multiply
    188,438.40x = 264,513.60 × 188,438.40
  4. Step 4: Simplify right side
    188,438.40x = 49,844,519,562.24
  5. Step 5: Solve for x
    x = 49,844,519,562.24/188,438.40
  6. Step 6: Final answer
    x = 264,513.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.