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Finding the Fourth Proportional to 360,933.30, 540,233.55 and 281,618.10

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Solution

The fourth proportional to 360,933.30, 540,233.55 and 281,618.10 is: 421,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,933.30 : 540,233.55 = 281,618.10 : x
  2. Step 2: Convert to fraction form
    360,933.30/540,233.55 = 281,618.10/x
  3. Step 3: Cross multiply
    360,933.30x = 540,233.55 × 281,618.10
  4. Step 4: Simplify right side
    360,933.30x = 152,139,545,907.26
  5. Step 5: Solve for x
    x = 152,139,545,907.26/360,933.30
  6. Step 6: Final answer
    x = 421,517.07

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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.