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Finding the Fourth Proportional to 282,483.60, 389,901.36 and 174,992.64

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Solution

The fourth proportional to 282,483.60, 389,901.36 and 174,992.64 is: 241,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,483.60 : 389,901.36 = 174,992.64 : x
  2. Step 2: Convert to fraction form
    282,483.60/389,901.36 = 174,992.64/x
  3. Step 3: Cross multiply
    282,483.60x = 389,901.36 × 174,992.64
  4. Step 4: Simplify right side
    282,483.60x = 68,229,868,325.99
  5. Step 5: Solve for x
    x = 68,229,868,325.99/282,483.60
  6. Step 6: Final answer
    x = 241,535.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.