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Finding the Fourth Proportional to 598,646.48, 898,426.60 and 219,926.12

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Solution

The fourth proportional to 598,646.48, 898,426.60 and 219,926.12 is: 330,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,646.48 : 898,426.60 = 219,926.12 : x
  2. Step 2: Convert to fraction form
    598,646.48/898,426.60 = 219,926.12/x
  3. Step 3: Cross multiply
    598,646.48x = 898,426.60 × 219,926.12
  4. Step 4: Simplify right side
    598,646.48x = 197,587,476,242.79
  5. Step 5: Solve for x
    x = 197,587,476,242.79/598,646.48
  6. Step 6: Final answer
    x = 330,057.03

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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.