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Finding the Fourth Proportional to 490,817.96, 736,227.15 and 153,884.86

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Solution

The fourth proportional to 490,817.96, 736,227.15 and 153,884.86 is: 230,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,817.96 : 736,227.15 = 153,884.86 : x
  2. Step 2: Convert to fraction form
    490,817.96/736,227.15 = 153,884.86/x
  3. Step 3: Cross multiply
    490,817.96x = 736,227.15 × 153,884.86
  4. Step 4: Simplify right side
    490,817.96x = 113,294,209,488.31
  5. Step 5: Solve for x
    x = 113,294,209,488.31/490,817.96
  6. Step 6: Final answer
    x = 230,827.35

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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.