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Finding the Fourth Proportional to 637,964.04, 957,149.28 and 188,687.64

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Solution

The fourth proportional to 637,964.04, 957,149.28 and 188,687.64 is: 283,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,964.04 : 957,149.28 = 188,687.64 : x
  2. Step 2: Convert to fraction form
    637,964.04/957,149.28 = 188,687.64/x
  3. Step 3: Cross multiply
    637,964.04x = 957,149.28 × 188,687.64
  4. Step 4: Simplify right side
    637,964.04x = 180,602,238,770.90
  5. Step 5: Solve for x
    x = 180,602,238,770.90/637,964.04
  6. Step 6: Final answer
    x = 283,091.57

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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.