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Finding the Fourth Proportional to 499,596.54, 749,404.07 and 162,636

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Solution

The fourth proportional to 499,596.54, 749,404.07 and 162,636 is: 243,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,596.54 : 749,404.07 = 162,636 : x
  2. Step 2: Convert to fraction form
    499,596.54/749,404.07 = 162,636/x
  3. Step 3: Cross multiply
    499,596.54x = 749,404.07 × 162,636
  4. Step 4: Simplify right side
    499,596.54x = 121,880,079,515.34
  5. Step 5: Solve for x
    x = 121,880,079,515.34/499,596.54
  6. Step 6: Final answer
    x = 243,957.01

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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.