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Finding the Fourth Proportional to 555,825.24, 767,303.32 and 372,379.68

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Solution

The fourth proportional to 555,825.24, 767,303.32 and 372,379.68 is: 514,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,825.24 : 767,303.32 = 372,379.68 : x
  2. Step 2: Convert to fraction form
    555,825.24/767,303.32 = 372,379.68/x
  3. Step 3: Cross multiply
    555,825.24x = 767,303.32 × 372,379.68
  4. Step 4: Simplify right side
    555,825.24x = 285,728,164,764.54
  5. Step 5: Solve for x
    x = 285,728,164,764.54/555,825.24
  6. Step 6: Final answer
    x = 514,061.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.