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Finding the Fourth Proportional to 383,393.55, 574,658.33 and 183,809.55

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Solution

The fourth proportional to 383,393.55, 574,658.33 and 183,809.55 is: 275,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,393.55 : 574,658.33 = 183,809.55 : x
  2. Step 2: Convert to fraction form
    383,393.55/574,658.33 = 183,809.55/x
  3. Step 3: Cross multiply
    383,393.55x = 574,658.33 × 183,809.55
  4. Step 4: Simplify right side
    383,393.55x = 105,627,688,122.00
  5. Step 5: Solve for x
    x = 105,627,688,122.00/383,393.55
  6. Step 6: Final answer
    x = 275,507.21

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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.