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Finding the Fourth Proportional to 304,380.48, 456,628.14 and 93,969.30

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Solution

The fourth proportional to 304,380.48, 456,628.14 and 93,969.30 is: 140,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,380.48 : 456,628.14 = 93,969.30 : x
  2. Step 2: Convert to fraction form
    304,380.48/456,628.14 = 93,969.30/x
  3. Step 3: Cross multiply
    304,380.48x = 456,628.14 × 93,969.30
  4. Step 4: Simplify right side
    304,380.48x = 42,909,026,676.10
  5. Step 5: Solve for x
    x = 42,909,026,676.10/304,380.48
  6. Step 6: Final answer
    x = 140,971.68

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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.