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Finding the Fourth Proportional to 302,078.60, 452,729.10 and 231,608.60

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Solution

The fourth proportional to 302,078.60, 452,729.10 and 231,608.60 is: 347,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,078.60 : 452,729.10 = 231,608.60 : x
  2. Step 2: Convert to fraction form
    302,078.60/452,729.10 = 231,608.60/x
  3. Step 3: Cross multiply
    302,078.60x = 452,729.10 × 231,608.60
  4. Step 4: Simplify right side
    302,078.60x = 104,855,953,030.26
  5. Step 5: Solve for x
    x = 104,855,953,030.26/302,078.60
  6. Step 6: Final answer
    x = 347,114.80

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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.