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Finding the Fourth Proportional to 383,592.33, 575,411.53 and 117,355.15

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Solution

The fourth proportional to 383,592.33, 575,411.53 and 117,355.15 is: 176,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,592.33 : 575,411.53 = 117,355.15 : x
  2. Step 2: Convert to fraction form
    383,592.33/575,411.53 = 117,355.15/x
  3. Step 3: Cross multiply
    383,592.33x = 575,411.53 × 117,355.15
  4. Step 4: Simplify right side
    383,592.33x = 67,527,509,174.23
  5. Step 5: Solve for x
    x = 67,527,509,174.23/383,592.33
  6. Step 6: Final answer
    x = 176,039.78

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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.