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Finding the Fourth Proportional to 362,757.60, 500,528.16 and 219,489.12

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Solution

The fourth proportional to 362,757.60, 500,528.16 and 219,489.12 is: 302,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,757.60 : 500,528.16 = 219,489.12 : x
  2. Step 2: Convert to fraction form
    362,757.60/500,528.16 = 219,489.12/x
  3. Step 3: Cross multiply
    362,757.60x = 500,528.16 × 219,489.12
  4. Step 4: Simplify right side
    362,757.60x = 109,860,485,373.62
  5. Step 5: Solve for x
    x = 109,860,485,373.62/362,757.60
  6. Step 6: Final answer
    x = 302,848.20

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1.5x scale

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.