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Finding the Fourth Proportional to 503,275.56, 754,965.76 and 161,632.68

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Solution

The fourth proportional to 503,275.56, 754,965.76 and 161,632.68 is: 242,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,275.56 : 754,965.76 = 161,632.68 : x
  2. Step 2: Convert to fraction form
    503,275.56/754,965.76 = 161,632.68/x
  3. Step 3: Cross multiply
    503,275.56x = 754,965.76 × 161,632.68
  4. Step 4: Simplify right side
    503,275.56x = 122,027,139,097.04
  5. Step 5: Solve for x
    x = 122,027,139,097.04/503,275.56
  6. Step 6: Final answer
    x = 242,465.86

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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.