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Finding the Fourth Proportional to 286,489.88, 395,379.58 and 184,727.18

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Solution

The fourth proportional to 286,489.88, 395,379.58 and 184,727.18 is: 254,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,489.88 : 395,379.58 = 184,727.18 : x
  2. Step 2: Convert to fraction form
    286,489.88/395,379.58 = 184,727.18/x
  3. Step 3: Cross multiply
    286,489.88x = 395,379.58 × 184,727.18
  4. Step 4: Simplify right side
    286,489.88x = 73,037,355,715.98
  5. Step 5: Solve for x
    x = 73,037,355,715.98/286,489.88
  6. Step 6: Final answer
    x = 254,938.69

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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.