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Finding the Fourth Proportional to 302,536.60, 453,804.90 and 260,546.20

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Solution

The fourth proportional to 302,536.60, 453,804.90 and 260,546.20 is: 390,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,536.60 : 453,804.90 = 260,546.20 : x
  2. Step 2: Convert to fraction form
    302,536.60/453,804.90 = 260,546.20/x
  3. Step 3: Cross multiply
    302,536.60x = 453,804.90 × 260,546.20
  4. Step 4: Simplify right side
    302,536.60x = 118,237,142,236.38
  5. Step 5: Solve for x
    x = 118,237,142,236.38/302,536.60
  6. Step 6: Final answer
    x = 390,819.30

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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.