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Finding the Fourth Proportional to 383,484.24, 575,223.84 and 117,243.72

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Solution

The fourth proportional to 383,484.24, 575,223.84 and 117,243.72 is: 175,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,484.24 : 575,223.84 = 117,243.72 : x
  2. Step 2: Convert to fraction form
    383,484.24/575,223.84 = 117,243.72/x
  3. Step 3: Cross multiply
    383,484.24x = 575,223.84 × 117,243.72
  4. Step 4: Simplify right side
    383,484.24x = 67,441,382,834.28
  5. Step 5: Solve for x
    x = 67,441,382,834.28/383,484.24
  6. Step 6: Final answer
    x = 175,864.81

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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.