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Finding the Fourth Proportional to 364,247.22, 546,059.18 and 139,768.74

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Solution

The fourth proportional to 364,247.22, 546,059.18 and 139,768.74 is: 209,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,247.22 : 546,059.18 = 139,768.74 : x
  2. Step 2: Convert to fraction form
    364,247.22/546,059.18 = 139,768.74/x
  3. Step 3: Cross multiply
    364,247.22x = 546,059.18 × 139,768.74
  4. Step 4: Simplify right side
    364,247.22x = 76,322,003,554.03
  5. Step 5: Solve for x
    x = 76,322,003,554.03/364,247.22
  6. Step 6: Final answer
    x = 209,533.52

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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.