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Finding the Fourth Proportional to 302,296.40, 453,793.80 and 162,328.40

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Solution

The fourth proportional to 302,296.40, 453,793.80 and 162,328.40 is: 243,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,296.40 : 453,793.80 = 162,328.40 : x
  2. Step 2: Convert to fraction form
    302,296.40/453,793.80 = 162,328.40/x
  3. Step 3: Cross multiply
    302,296.40x = 453,793.80 × 162,328.40
  4. Step 4: Simplify right side
    302,296.40x = 73,663,621,483.92
  5. Step 5: Solve for x
    x = 73,663,621,483.92/302,296.40
  6. Step 6: Final answer
    x = 243,680.11

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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.