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Finding the Fourth Proportional to 360,032.10, 540,048.15 and 276,051.30

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Solution

The fourth proportional to 360,032.10, 540,048.15 and 276,051.30 is: 414,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,032.10 : 540,048.15 = 276,051.30 : x
  2. Step 2: Convert to fraction form
    360,032.10/540,048.15 = 276,051.30/x
  3. Step 3: Cross multiply
    360,032.10x = 540,048.15 × 276,051.30
  4. Step 4: Simplify right side
    360,032.10x = 149,080,993,870.10
  5. Step 5: Solve for x
    x = 149,080,993,870.10/360,032.10
  6. Step 6: Final answer
    x = 414,076.95

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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.