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Finding the Fourth Proportional to 468,379.38, 702,570.90 and 113,392.86

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Solution

The fourth proportional to 468,379.38, 702,570.90 and 113,392.86 is: 170,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,379.38 : 702,570.90 = 113,392.86 : x
  2. Step 2: Convert to fraction form
    468,379.38/702,570.90 = 113,392.86/x
  3. Step 3: Cross multiply
    468,379.38x = 702,570.90 × 113,392.86
  4. Step 4: Simplify right side
    468,379.38x = 79,666,523,703.77
  5. Step 5: Solve for x
    x = 79,666,523,703.77/468,379.38
  6. Step 6: Final answer
    x = 170,089.73

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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.