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Finding the Fourth Proportional to 303,554.26, 455,353.40 and 116,565.76

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Solution

The fourth proportional to 303,554.26, 455,353.40 and 116,565.76 is: 174,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,554.26 : 455,353.40 = 116,565.76 : x
  2. Step 2: Convert to fraction form
    303,554.26/455,353.40 = 116,565.76/x
  3. Step 3: Cross multiply
    303,554.26x = 455,353.40 × 116,565.76
  4. Step 4: Simplify right side
    303,554.26x = 53,078,615,139.58
  5. Step 5: Solve for x
    x = 53,078,615,139.58/303,554.26
  6. Step 6: Final answer
    x = 174,857.09

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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.