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Finding the Fourth Proportional to 373,804.96, 560,491.98 and 255,619.48

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Solution

The fourth proportional to 373,804.96, 560,491.98 and 255,619.48 is: 383,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,804.96 : 560,491.98 = 255,619.48 : x
  2. Step 2: Convert to fraction form
    373,804.96/560,491.98 = 255,619.48/x
  3. Step 3: Cross multiply
    373,804.96x = 560,491.98 × 255,619.48
  4. Step 4: Simplify right side
    373,804.96x = 143,272,668,471.77
  5. Step 5: Solve for x
    x = 143,272,668,471.77/373,804.96
  6. Step 6: Final answer
    x = 383,281.88

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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.