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Finding the Fourth Proportional to 302,276.90, 453,764.55 and 162,308.90

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Solution

The fourth proportional to 302,276.90, 453,764.55 and 162,308.90 is: 243,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,276.90 : 453,764.55 = 162,308.90 : x
  2. Step 2: Convert to fraction form
    302,276.90/453,764.55 = 162,308.90/x
  3. Step 3: Cross multiply
    302,276.90x = 453,764.55 × 162,308.90
  4. Step 4: Simplify right side
    302,276.90x = 73,650,024,969.50
  5. Step 5: Solve for x
    x = 73,650,024,969.50/302,276.90
  6. Step 6: Final answer
    x = 243,650.85

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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.