Home / 304,530.40-455,499.60-273,167.20

Finding the Fourth Proportional to 304,530.40, 455,499.60 and 273,167.20

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Solution

The fourth proportional to 304,530.40, 455,499.60 and 273,167.20 is: 408,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,530.40 : 455,499.60 = 273,167.20 : x
  2. Step 2: Convert to fraction form
    304,530.40/455,499.60 = 273,167.20/x
  3. Step 3: Cross multiply
    304,530.40x = 455,499.60 × 273,167.20
  4. Step 4: Simplify right side
    304,530.40x = 124,427,550,333.12
  5. Step 5: Solve for x
    x = 124,427,550,333.12/304,530.40
  6. Step 6: Final answer
    x = 408,588.27

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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.