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Finding the Fourth Proportional to 508,239.60, 762,429.72 and 171,376.68

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Solution

The fourth proportional to 508,239.60, 762,429.72 and 171,376.68 is: 257,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,239.60 : 762,429.72 = 171,376.68 : x
  2. Step 2: Convert to fraction form
    508,239.60/762,429.72 = 171,376.68/x
  3. Step 3: Cross multiply
    508,239.60x = 762,429.72 × 171,376.68
  4. Step 4: Simplify right side
    508,239.60x = 130,662,674,146.93
  5. Step 5: Solve for x
    x = 130,662,674,146.93/508,239.60
  6. Step 6: Final answer
    x = 257,088.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.