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Finding the Fourth Proportional to 499,954.50, 750,009.96 and 162,916.92

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Solution

The fourth proportional to 499,954.50, 750,009.96 and 162,916.92 is: 244,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,954.50 : 750,009.96 = 162,916.92 : x
  2. Step 2: Convert to fraction form
    499,954.50/750,009.96 = 162,916.92/x
  3. Step 3: Cross multiply
    499,954.50x = 750,009.96 × 162,916.92
  4. Step 4: Simplify right side
    499,954.50x = 122,189,312,652.52
  5. Step 5: Solve for x
    x = 122,189,312,652.52/499,954.50
  6. Step 6: Final answer
    x = 244,400.87

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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.