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Finding the Fourth Proportional to 364,541.80, 546,812.70 and 251,984.20

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Solution

The fourth proportional to 364,541.80, 546,812.70 and 251,984.20 is: 377,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,541.80 : 546,812.70 = 251,984.20 : x
  2. Step 2: Convert to fraction form
    364,541.80/546,812.70 = 251,984.20/x
  3. Step 3: Cross multiply
    364,541.80x = 546,812.70 × 251,984.20
  4. Step 4: Simplify right side
    364,541.80x = 137,788,160,759.34
  5. Step 5: Solve for x
    x = 137,788,160,759.34/364,541.80
  6. Step 6: Final answer
    x = 377,976.30

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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.