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Finding the Fourth Proportional to 598,479, 825,901.02 and 330,207

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Solution

The fourth proportional to 598,479, 825,901.02 and 330,207 is: 455,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,479 : 825,901.02 = 330,207 : x
  2. Step 2: Convert to fraction form
    598,479/825,901.02 = 330,207/x
  3. Step 3: Cross multiply
    598,479x = 825,901.02 × 330,207
  4. Step 4: Simplify right side
    598,479x = 272,718,298,111.14
  5. Step 5: Solve for x
    x = 272,718,298,111.14/598,479
  6. Step 6: Final answer
    x = 455,685.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.