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Finding the Fourth Proportional to 497,940.48, 746,210.88 and 216,868.32

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Solution

The fourth proportional to 497,940.48, 746,210.88 and 216,868.32 is: 324,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,940.48 : 746,210.88 = 216,868.32 : x
  2. Step 2: Convert to fraction form
    497,940.48/746,210.88 = 216,868.32/x
  3. Step 3: Cross multiply
    497,940.48x = 746,210.88 × 216,868.32
  4. Step 4: Simplify right side
    497,940.48x = 161,829,499,911.32
  5. Step 5: Solve for x
    x = 161,829,499,911.32/497,940.48
  6. Step 6: Final answer
    x = 324,997.68

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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.