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Finding the Fourth Proportional to 484,892.12, 669,157.68 and 270,037.60

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Solution

The fourth proportional to 484,892.12, 669,157.68 and 270,037.60 is: 372,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,892.12 : 669,157.68 = 270,037.60 : x
  2. Step 2: Convert to fraction form
    484,892.12/669,157.68 = 270,037.60/x
  3. Step 3: Cross multiply
    484,892.12x = 669,157.68 × 270,037.60
  4. Step 4: Simplify right side
    484,892.12x = 180,697,733,928.77
  5. Step 5: Solve for x
    x = 180,697,733,928.77/484,892.12
  6. Step 6: Final answer
    x = 372,655.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.