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Finding the Fourth Proportional to 364,237.20, 546,137.10 and 187,090.20

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Solution

The fourth proportional to 364,237.20, 546,137.10 and 187,090.20 is: 280,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,237.20 : 546,137.10 = 187,090.20 : x
  2. Step 2: Convert to fraction form
    364,237.20/546,137.10 = 187,090.20/x
  3. Step 3: Cross multiply
    364,237.20x = 546,137.10 × 187,090.20
  4. Step 4: Simplify right side
    364,237.20x = 102,176,899,266.42
  5. Step 5: Solve for x
    x = 102,176,899,266.42/364,237.20
  6. Step 6: Final answer
    x = 280,522.96

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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.