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Finding the Fourth Proportional to 364,230.60, 546,086.70 and 139,504.20

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Solution

The fourth proportional to 364,230.60, 546,086.70 and 139,504.20 is: 209,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,230.60 : 546,086.70 = 139,504.20 : x
  2. Step 2: Convert to fraction form
    364,230.60/546,086.70 = 139,504.20/x
  3. Step 3: Cross multiply
    364,230.60x = 546,086.70 × 139,504.20
  4. Step 4: Simplify right side
    364,230.60x = 76,181,388,214.14
  5. Step 5: Solve for x
    x = 76,181,388,214.14/364,230.60
  6. Step 6: Final answer
    x = 209,157.02

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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.