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Finding the Fourth Proportional to 499,020.32, 748,690.32 and 178,956.56

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Solution

The fourth proportional to 499,020.32, 748,690.32 and 178,956.56 is: 268,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,020.32 : 748,690.32 = 178,956.56 : x
  2. Step 2: Convert to fraction form
    499,020.32/748,690.32 = 178,956.56/x
  3. Step 3: Cross multiply
    499,020.32x = 748,690.32 × 178,956.56
  4. Step 4: Simplify right side
    499,020.32x = 133,983,044,172.50
  5. Step 5: Solve for x
    x = 133,983,044,172.50/499,020.32
  6. Step 6: Final answer
    x = 268,492.16

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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.