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Finding the Fourth Proportional to 322,967.70, 484,451.55 and 98,326.35

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Solution

The fourth proportional to 322,967.70, 484,451.55 and 98,326.35 is: 147,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,967.70 : 484,451.55 = 98,326.35 : x
  2. Step 2: Convert to fraction form
    322,967.70/484,451.55 = 98,326.35/x
  3. Step 3: Cross multiply
    322,967.70x = 484,451.55 × 98,326.35
  4. Step 4: Simplify right side
    322,967.70x = 47,634,352,663.34
  5. Step 5: Solve for x
    x = 47,634,352,663.34/322,967.70
  6. Step 6: Final answer
    x = 147,489.53

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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.