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Finding the Fourth Proportional to 364,626.87, 546,940.29 and 98,387.37

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Solution

The fourth proportional to 364,626.87, 546,940.29 and 98,387.37 is: 147,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,626.87 : 546,940.29 = 98,387.37 : x
  2. Step 2: Convert to fraction form
    364,626.87/546,940.29 = 98,387.37/x
  3. Step 3: Cross multiply
    364,626.87x = 546,940.29 × 98,387.37
  4. Step 4: Simplify right side
    364,626.87x = 53,812,016,680.14
  5. Step 5: Solve for x
    x = 53,812,016,680.14/364,626.87
  6. Step 6: Final answer
    x = 147,581.05

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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.