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Finding the Fourth Proportional to 495,624.48, 743,437.31 and 135,798.41

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Solution

The fourth proportional to 495,624.48, 743,437.31 and 135,798.41 is: 203,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,624.48 : 743,437.31 = 135,798.41 : x
  2. Step 2: Convert to fraction form
    495,624.48/743,437.31 = 135,798.41/x
  3. Step 3: Cross multiply
    495,624.48x = 743,437.31 × 135,798.41
  4. Step 4: Simplify right side
    495,624.48x = 100,957,600,236.50
  5. Step 5: Solve for x
    x = 100,957,600,236.50/495,624.48
  6. Step 6: Final answer
    x = 203,697.77

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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.