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Finding the Fourth Proportional to 536,828.96, 805,182.58 and 137,472.63

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Solution

The fourth proportional to 536,828.96, 805,182.58 and 137,472.63 is: 206,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,828.96 : 805,182.58 = 137,472.63 : x
  2. Step 2: Convert to fraction form
    536,828.96/805,182.58 = 137,472.63/x
  3. Step 3: Cross multiply
    536,828.96x = 805,182.58 × 137,472.63
  4. Step 4: Simplify right side
    536,828.96x = 110,690,566,902.79
  5. Step 5: Solve for x
    x = 110,690,566,902.79/536,828.96
  6. Step 6: Final answer
    x = 206,193.36

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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.