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Finding the Fourth Proportional to 479,020.32, 718,972.74 and 242,528.67

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Solution

The fourth proportional to 479,020.32, 718,972.74 and 242,528.67 is: 364,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,020.32 : 718,972.74 = 242,528.67 : x
  2. Step 2: Convert to fraction form
    479,020.32/718,972.74 = 242,528.67/x
  3. Step 3: Cross multiply
    479,020.32x = 718,972.74 × 242,528.67
  4. Step 4: Simplify right side
    479,020.32x = 174,371,502,398.46
  5. Step 5: Solve for x
    x = 174,371,502,398.46/479,020.32
  6. Step 6: Final answer
    x = 364,016.92

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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.