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Finding the Fourth Proportional to 316,980.96, 475,654.56 and 117,441.12

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Solution

The fourth proportional to 316,980.96, 475,654.56 and 117,441.12 is: 176,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,980.96 : 475,654.56 = 117,441.12 : x
  2. Step 2: Convert to fraction form
    316,980.96/475,654.56 = 117,441.12/x
  3. Step 3: Cross multiply
    316,980.96x = 475,654.56 × 117,441.12
  4. Step 4: Simplify right side
    316,980.96x = 55,861,404,259.51
  5. Step 5: Solve for x
    x = 55,861,404,259.51/316,980.96
  6. Step 6: Final answer
    x = 176,229.53

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1.5x scale

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.