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Finding the Fourth Proportional to 383,359.76, 574,805.40 and 183,741.20

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Solution

The fourth proportional to 383,359.76, 574,805.40 and 183,741.20 is: 275,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,359.76 : 574,805.40 = 183,741.20 : x
  2. Step 2: Convert to fraction form
    383,359.76/574,805.40 = 183,741.20/x
  3. Step 3: Cross multiply
    383,359.76x = 574,805.40 × 183,741.20
  4. Step 4: Simplify right side
    383,359.76x = 105,615,433,962.48
  5. Step 5: Solve for x
    x = 105,615,433,962.48/383,359.76
  6. Step 6: Final answer
    x = 275,499.53

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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.