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Finding the Fourth Proportional to 270,173.60, 404,725.80 and 236,931.20

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Solution

The fourth proportional to 270,173.60, 404,725.80 and 236,931.20 is: 354,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,173.60 : 404,725.80 = 236,931.20 : x
  2. Step 2: Convert to fraction form
    270,173.60/404,725.80 = 236,931.20/x
  3. Step 3: Cross multiply
    270,173.60x = 404,725.80 × 236,931.20
  4. Step 4: Simplify right side
    270,173.60x = 95,892,169,464.96
  5. Step 5: Solve for x
    x = 95,892,169,464.96/270,173.60
  6. Step 6: Final answer
    x = 354,927.98

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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.