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Finding the Fourth Proportional to 316,308.54, 474,158.00 and 116,519.72

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Solution

The fourth proportional to 316,308.54, 474,158.00 and 116,519.72 is: 174,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,308.54 : 474,158.00 = 116,519.72 : x
  2. Step 2: Convert to fraction form
    316,308.54/474,158.00 = 116,519.72/x
  3. Step 3: Cross multiply
    316,308.54x = 474,158.00 × 116,519.72
  4. Step 4: Simplify right side
    316,308.54x = 55,248,755,316.27
  5. Step 5: Solve for x
    x = 55,248,755,316.27/316,308.54
  6. Step 6: Final answer
    x = 174,667.29

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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.