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Finding the Fourth Proportional to 482,571.72, 723,699.09 and 162,637.74

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Solution

The fourth proportional to 482,571.72, 723,699.09 and 162,637.74 is: 243,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,571.72 : 723,699.09 = 162,637.74 : x
  2. Step 2: Convert to fraction form
    482,571.72/723,699.09 = 162,637.74/x
  3. Step 3: Cross multiply
    482,571.72x = 723,699.09 × 162,637.74
  4. Step 4: Simplify right side
    482,571.72x = 117,700,784,437.66
  5. Step 5: Solve for x
    x = 117,700,784,437.66/482,571.72
  6. Step 6: Final answer
    x = 243,903.20

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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.