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Finding the Fourth Proportional to 296,821.30, 445,275.15 and 97,093.30

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Solution

The fourth proportional to 296,821.30, 445,275.15 and 97,093.30 is: 145,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,821.30 : 445,275.15 = 97,093.30 : x
  2. Step 2: Convert to fraction form
    296,821.30/445,275.15 = 97,093.30/x
  3. Step 3: Cross multiply
    296,821.30x = 445,275.15 × 97,093.30
  4. Step 4: Simplify right side
    296,821.30x = 43,233,233,721.50
  5. Step 5: Solve for x
    x = 43,233,233,721.50/296,821.30
  6. Step 6: Final answer
    x = 145,654.08

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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.