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Finding the Fourth Proportional to 482,687.04, 724,038.72 and 167,153.28

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Solution

The fourth proportional to 482,687.04, 724,038.72 and 167,153.28 is: 250,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,687.04 : 724,038.72 = 167,153.28 : x
  2. Step 2: Convert to fraction form
    482,687.04/724,038.72 = 167,153.28/x
  3. Step 3: Cross multiply
    482,687.04x = 724,038.72 × 167,153.28
  4. Step 4: Simplify right side
    482,687.04x = 121,025,446,895.00
  5. Step 5: Solve for x
    x = 121,025,446,895.00/482,687.04
  6. Step 6: Final answer
    x = 250,732.75

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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.