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Finding the Fourth Proportional to 603,886.38, 833,363.20 and 349,253.97

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Solution

The fourth proportional to 603,886.38, 833,363.20 and 349,253.97 is: 481,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,886.38 : 833,363.20 = 349,253.97 : x
  2. Step 2: Convert to fraction form
    603,886.38/833,363.20 = 349,253.97/x
  3. Step 3: Cross multiply
    603,886.38x = 833,363.20 × 349,253.97
  4. Step 4: Simplify right side
    603,886.38x = 291,055,406,051.90
  5. Step 5: Solve for x
    x = 291,055,406,051.90/603,886.38
  6. Step 6: Final answer
    x = 481,970.48

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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.