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Finding the Fourth Proportional to 351,302.84, 485,032.05 and 236,751.83

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Solution

The fourth proportional to 351,302.84, 485,032.05 and 236,751.83 is: 326,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,302.84 : 485,032.05 = 236,751.83 : x
  2. Step 2: Convert to fraction form
    351,302.84/485,032.05 = 236,751.83/x
  3. Step 3: Cross multiply
    351,302.84x = 485,032.05 × 236,751.83
  4. Step 4: Simplify right side
    351,302.84x = 114,832,224,839.86
  5. Step 5: Solve for x
    x = 114,832,224,839.86/351,302.84
  6. Step 6: Final answer
    x = 326,875.31

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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.