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Finding the Fourth Proportional to 648,609.64, 895,022.40 and 362,077

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Solution

The fourth proportional to 648,609.64, 895,022.40 and 362,077 is: 499,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,609.64 : 895,022.40 = 362,077 : x
  2. Step 2: Convert to fraction form
    648,609.64/895,022.40 = 362,077/x
  3. Step 3: Cross multiply
    648,609.64x = 895,022.40 × 362,077
  4. Step 4: Simplify right side
    648,609.64x = 324,067,025,524.80
  5. Step 5: Solve for x
    x = 324,067,025,524.80/648,609.64
  6. Step 6: Final answer
    x = 499,633.38

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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.