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Finding the Fourth Proportional to 288,083.64, 397,554.84 and 160,751.64

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Solution

The fourth proportional to 288,083.64, 397,554.84 and 160,751.64 is: 221,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,083.64 : 397,554.84 = 160,751.64 : x
  2. Step 2: Convert to fraction form
    288,083.64/397,554.84 = 160,751.64/x
  3. Step 3: Cross multiply
    288,083.64x = 397,554.84 × 160,751.64
  4. Step 4: Simplify right side
    288,083.64x = 63,907,592,519.94
  5. Step 5: Solve for x
    x = 63,907,592,519.94/288,083.64
  6. Step 6: Final answer
    x = 221,836.94

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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.