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Finding the Fourth Proportional to 555,247.40, 766,232.26 and 300,596.52

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Solution

The fourth proportional to 555,247.40, 766,232.26 and 300,596.52 is: 414,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,247.40 : 766,232.26 = 300,596.52 : x
  2. Step 2: Convert to fraction form
    555,247.40/766,232.26 = 300,596.52/x
  3. Step 3: Cross multiply
    555,247.40x = 766,232.26 × 300,596.52
  4. Step 4: Simplify right side
    555,247.40x = 230,326,750,867.74
  5. Step 5: Solve for x
    x = 230,326,750,867.74/555,247.40
  6. Step 6: Final answer
    x = 414,818.24

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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.