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Finding the Fourth Proportional to 648,953.33, 895,550.20 and 358,563.96

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Solution

The fourth proportional to 648,953.33, 895,550.20 and 358,563.96 is: 494,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,953.33 : 895,550.20 = 358,563.96 : x
  2. Step 2: Convert to fraction form
    648,953.33/895,550.20 = 358,563.96/x
  3. Step 3: Cross multiply
    648,953.33x = 895,550.20 × 358,563.96
  4. Step 4: Simplify right side
    648,953.33x = 321,112,025,194.38
  5. Step 5: Solve for x
    x = 321,112,025,194.38/648,953.33
  6. Step 6: Final answer
    x = 494,815.29

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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.