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Finding the Fourth Proportional to 598,929.70, 898,394.55 and 430,093.30

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Solution

The fourth proportional to 598,929.70, 898,394.55 and 430,093.30 is: 645,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,929.70 : 898,394.55 = 430,093.30 : x
  2. Step 2: Convert to fraction form
    598,929.70/898,394.55 = 430,093.30/x
  3. Step 3: Cross multiply
    598,929.70x = 898,394.55 × 430,093.30
  4. Step 4: Simplify right side
    598,929.70x = 386,393,476,711.52
  5. Step 5: Solve for x
    x = 386,393,476,711.52/598,929.70
  6. Step 6: Final answer
    x = 645,139.95

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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.