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Finding the Fourth Proportional to 302,591.60, 453,109.80 and 223,276.40

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Solution

The fourth proportional to 302,591.60, 453,109.80 and 223,276.40 is: 334,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,591.60 : 453,109.80 = 223,276.40 : x
  2. Step 2: Convert to fraction form
    302,591.60/453,109.80 = 223,276.40/x
  3. Step 3: Cross multiply
    302,591.60x = 453,109.80 × 223,276.40
  4. Step 4: Simplify right side
    302,591.60x = 101,168,724,948.72
  5. Step 5: Solve for x
    x = 101,168,724,948.72/302,591.60
  6. Step 6: Final answer
    x = 334,340.82

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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.