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Finding the Fourth Proportional to 383,601.82, 575,381.78 and 117,362.36

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Solution

The fourth proportional to 383,601.82, 575,381.78 and 117,362.36 is: 176,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,601.82 : 575,381.78 = 117,362.36 : x
  2. Step 2: Convert to fraction form
    383,601.82/575,381.78 = 117,362.36/x
  3. Step 3: Cross multiply
    383,601.82x = 575,381.78 × 117,362.36
  4. Step 4: Simplify right side
    383,601.82x = 67,528,163,601.80
  5. Step 5: Solve for x
    x = 67,528,163,601.80/383,601.82
  6. Step 6: Final answer
    x = 176,037.13

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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.