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Finding the Fourth Proportional to 327,368.73, 491,051.75 and 90,710.73

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Solution

The fourth proportional to 327,368.73, 491,051.75 and 90,710.73 is: 136,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,368.73 : 491,051.75 = 90,710.73 : x
  2. Step 2: Convert to fraction form
    327,368.73/491,051.75 = 90,710.73/x
  3. Step 3: Cross multiply
    327,368.73x = 491,051.75 × 90,710.73
  4. Step 4: Simplify right side
    327,368.73x = 44,543,662,256.72
  5. Step 5: Solve for x
    x = 44,543,662,256.72/327,368.73
  6. Step 6: Final answer
    x = 136,065.72

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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.