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Finding the Fourth Proportional to 302,027.40, 453,390.90 and 162,059.40

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Solution

The fourth proportional to 302,027.40, 453,390.90 and 162,059.40 is: 243,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,027.40 : 453,390.90 = 162,059.40 : x
  2. Step 2: Convert to fraction form
    302,027.40/453,390.90 = 162,059.40/x
  3. Step 3: Cross multiply
    302,027.40x = 453,390.90 × 162,059.40
  4. Step 4: Simplify right side
    302,027.40x = 73,476,257,219.46
  5. Step 5: Solve for x
    x = 73,476,257,219.46/302,027.40
  6. Step 6: Final answer
    x = 243,276.79

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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.