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Finding the Fourth Proportional to 653,164.60, 901,304.94 and 366,619

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Solution

The fourth proportional to 653,164.60, 901,304.94 and 366,619 is: 505,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,164.60 : 901,304.94 = 366,619 : x
  2. Step 2: Convert to fraction form
    653,164.60/901,304.94 = 366,619/x
  3. Step 3: Cross multiply
    653,164.60x = 901,304.94 × 366,619
  4. Step 4: Simplify right side
    653,164.60x = 330,435,515,797.86
  5. Step 5: Solve for x
    x = 330,435,515,797.86/653,164.60
  6. Step 6: Final answer
    x = 505,899.30

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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.