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Finding the Fourth Proportional to 369,225.90, 509,658.24 and 216,313.26

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Solution

The fourth proportional to 369,225.90, 509,658.24 and 216,313.26 is: 298,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,225.90 : 509,658.24 = 216,313.26 : x
  2. Step 2: Convert to fraction form
    369,225.90/509,658.24 = 216,313.26/x
  3. Step 3: Cross multiply
    369,225.90x = 509,658.24 × 216,313.26
  4. Step 4: Simplify right side
    369,225.90x = 110,245,835,380.26
  5. Step 5: Solve for x
    x = 110,245,835,380.26/369,225.90
  6. Step 6: Final answer
    x = 298,586.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.