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Finding the Fourth Proportional to 364,234.20, 546,132.60 and 187,087.20

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Solution

The fourth proportional to 364,234.20, 546,132.60 and 187,087.20 is: 280,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,234.20 : 546,132.60 = 187,087.20 : x
  2. Step 2: Convert to fraction form
    364,234.20/546,132.60 = 187,087.20/x
  3. Step 3: Cross multiply
    364,234.20x = 546,132.60 × 187,087.20
  4. Step 4: Simplify right side
    364,234.20x = 102,174,418,962.72
  5. Step 5: Solve for x
    x = 102,174,418,962.72/364,234.20
  6. Step 6: Final answer
    x = 280,518.47

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1.5x scale

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.