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Finding the Fourth Proportional to 575,425.20, 863,137.80 and 148,960.20

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Solution

The fourth proportional to 575,425.20, 863,137.80 and 148,960.20 is: 223,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,425.20 : 863,137.80 = 148,960.20 : x
  2. Step 2: Convert to fraction form
    575,425.20/863,137.80 = 148,960.20/x
  3. Step 3: Cross multiply
    575,425.20x = 863,137.80 × 148,960.20
  4. Step 4: Simplify right side
    575,425.20x = 128,573,179,315.56
  5. Step 5: Solve for x
    x = 128,573,179,315.56/575,425.20
  6. Step 6: Final answer
    x = 223,440.30

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Similar ratio
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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.