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Finding the Fourth Proportional to 335,999.80, 504,582.90 and 178,535.80

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Solution

The fourth proportional to 335,999.80, 504,582.90 and 178,535.80 is: 268,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,999.80 : 504,582.90 = 178,535.80 : x
  2. Step 2: Convert to fraction form
    335,999.80/504,582.90 = 178,535.80/x
  3. Step 3: Cross multiply
    335,999.80x = 504,582.90 × 178,535.80
  4. Step 4: Simplify right side
    335,999.80x = 90,086,111,717.82
  5. Step 5: Solve for x
    x = 90,086,111,717.82/335,999.80
  6. Step 6: Final answer
    x = 268,113.59

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1.5x scale

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.