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Finding the Fourth Proportional to 540,116.68, 810,683.52 and 274,068.14

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Solution

The fourth proportional to 540,116.68, 810,683.52 and 274,068.14 is: 411,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,116.68 : 810,683.52 = 274,068.14 : x
  2. Step 2: Convert to fraction form
    540,116.68/810,683.52 = 274,068.14/x
  3. Step 3: Cross multiply
    540,116.68x = 810,683.52 × 274,068.14
  4. Step 4: Simplify right side
    540,116.68x = 222,182,524,455.05
  5. Step 5: Solve for x
    x = 222,182,524,455.05/540,116.68
  6. Step 6: Final answer
    x = 411,360.24

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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.