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Finding the Fourth Proportional to 636,017.72, 954,011.57 and 156,244.75

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Solution

The fourth proportional to 636,017.72, 954,011.57 and 156,244.75 is: 234,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,017.72 : 954,011.57 = 156,244.75 : x
  2. Step 2: Convert to fraction form
    636,017.72/954,011.57 = 156,244.75/x
  3. Step 3: Cross multiply
    636,017.72x = 954,011.57 × 156,244.75
  4. Step 4: Simplify right side
    636,017.72x = 149,059,296,085.51
  5. Step 5: Solve for x
    x = 149,059,296,085.51/636,017.72
  6. Step 6: Final answer
    x = 234,363.43

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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.