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Finding the Fourth Proportional to 481,547.96, 722,369.75 and 178,021.67

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Solution

The fourth proportional to 481,547.96, 722,369.75 and 178,021.67 is: 267,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,547.96 : 722,369.75 = 178,021.67 : x
  2. Step 2: Convert to fraction form
    481,547.96/722,369.75 = 178,021.67/x
  3. Step 3: Cross multiply
    481,547.96x = 722,369.75 × 178,021.67
  4. Step 4: Simplify right side
    481,547.96x = 128,597,470,845.52
  5. Step 5: Solve for x
    x = 128,597,470,845.52/481,547.96
  6. Step 6: Final answer
    x = 267,050.18

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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.