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Finding the Fourth Proportional to 364,626.54, 546,939.81 and 98,387.06

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Solution

The fourth proportional to 364,626.54, 546,939.81 and 98,387.06 is: 147,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,626.54 : 546,939.81 = 98,387.06 : x
  2. Step 2: Convert to fraction form
    364,626.54/546,939.81 = 98,387.06/x
  3. Step 3: Cross multiply
    364,626.54x = 546,939.81 × 98,387.06
  4. Step 4: Simplify right side
    364,626.54x = 53,811,797,168.16
  5. Step 5: Solve for x
    x = 53,811,797,168.16/364,626.54
  6. Step 6: Final answer
    x = 147,580.58

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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.