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Finding the Fourth Proportional to 383,871.62, 575,786.67 and 117,632.91

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Solution

The fourth proportional to 383,871.62, 575,786.67 and 117,632.91 is: 176,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,871.62 : 575,786.67 = 117,632.91 : x
  2. Step 2: Convert to fraction form
    383,871.62/575,786.67 = 117,632.91/x
  3. Step 3: Cross multiply
    383,871.62x = 575,786.67 × 117,632.91
  4. Step 4: Simplify right side
    383,871.62x = 67,731,461,531.31
  5. Step 5: Solve for x
    x = 67,731,461,531.31/383,871.62
  6. Step 6: Final answer
    x = 176,443.00

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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.