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Finding the Fourth Proportional to 588,246.40, 881,678.40 and 307,619.20

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Solution

The fourth proportional to 588,246.40, 881,678.40 and 307,619.20 is: 461,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,246.40 : 881,678.40 = 307,619.20 : x
  2. Step 2: Convert to fraction form
    588,246.40/881,678.40 = 307,619.20/x
  3. Step 3: Cross multiply
    588,246.40x = 881,678.40 × 307,619.20
  4. Step 4: Simplify right side
    588,246.40x = 271,221,204,065.28
  5. Step 5: Solve for x
    x = 271,221,204,065.28/588,246.40
  6. Step 6: Final answer
    x = 461,067.34

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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.