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Finding the Fourth Proportional to 672,525.28, 928,086.16 and 366,604.16

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Solution

The fourth proportional to 672,525.28, 928,086.16 and 366,604.16 is: 505,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,525.28 : 928,086.16 = 366,604.16 : x
  2. Step 2: Convert to fraction form
    672,525.28/928,086.16 = 366,604.16/x
  3. Step 3: Cross multiply
    672,525.28x = 928,086.16 × 366,604.16
  4. Step 4: Simplify right side
    672,525.28x = 340,240,247,094.43
  5. Step 5: Solve for x
    x = 340,240,247,094.43/672,525.28
  6. Step 6: Final answer
    x = 505,914.44

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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.