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Finding the Fourth Proportional to 302,069.60, 453,622.80 and 162,101.60

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Solution

The fourth proportional to 302,069.60, 453,622.80 and 162,101.60 is: 243,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,069.60 : 453,622.80 = 162,101.60 : x
  2. Step 2: Convert to fraction form
    302,069.60/453,622.80 = 162,101.60/x
  3. Step 3: Cross multiply
    302,069.60x = 453,622.80 × 162,101.60
  4. Step 4: Simplify right side
    302,069.60x = 73,532,981,676.48
  5. Step 5: Solve for x
    x = 73,532,981,676.48/302,069.60
  6. Step 6: Final answer
    x = 243,430.59

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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.