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Finding the Fourth Proportional to 364,274.56, 546,153.60 and 139,445.44

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Solution

The fourth proportional to 364,274.56, 546,153.60 and 139,445.44 is: 209,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,274.56 : 546,153.60 = 139,445.44 : x
  2. Step 2: Convert to fraction form
    364,274.56/546,153.60 = 139,445.44/x
  3. Step 3: Cross multiply
    364,274.56x = 546,153.60 × 139,445.44
  4. Step 4: Simplify right side
    364,274.56x = 76,158,629,059.58
  5. Step 5: Solve for x
    x = 76,158,629,059.58/364,274.56
  6. Step 6: Final answer
    x = 209,069.30

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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.