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Finding the Fourth Proportional to 383,525.56, 575,283.48 and 117,294.76

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Solution

The fourth proportional to 383,525.56, 575,283.48 and 117,294.76 is: 175,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,525.56 : 575,283.48 = 117,294.76 : x
  2. Step 2: Convert to fraction form
    383,525.56/575,283.48 = 117,294.76/x
  3. Step 3: Cross multiply
    383,525.56x = 575,283.48 × 117,294.76
  4. Step 4: Simplify right side
    383,525.56x = 67,477,737,718.56
  5. Step 5: Solve for x
    x = 67,477,737,718.56/383,525.56
  6. Step 6: Final answer
    x = 175,940.65

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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.