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Finding the Fourth Proportional to 303,514.60, 455,271.90 and 116,530.60

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Solution

The fourth proportional to 303,514.60, 455,271.90 and 116,530.60 is: 174,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,514.60 : 455,271.90 = 116,530.60 : x
  2. Step 2: Convert to fraction form
    303,514.60/455,271.90 = 116,530.60/x
  3. Step 3: Cross multiply
    303,514.60x = 455,271.90 × 116,530.60
  4. Step 4: Simplify right side
    303,514.60x = 53,053,107,670.14
  5. Step 5: Solve for x
    x = 53,053,107,670.14/303,514.60
  6. Step 6: Final answer
    x = 174,795.90

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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.