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Finding the Fourth Proportional to 347,568.84, 479,785.68 and 294,131.52

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Solution

The fourth proportional to 347,568.84, 479,785.68 and 294,131.52 is: 406,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,568.84 : 479,785.68 = 294,131.52 : x
  2. Step 2: Convert to fraction form
    347,568.84/479,785.68 = 294,131.52/x
  3. Step 3: Cross multiply
    347,568.84x = 479,785.68 × 294,131.52
  4. Step 4: Simplify right side
    347,568.84x = 141,120,091,332.63
  5. Step 5: Solve for x
    x = 141,120,091,332.63/347,568.84
  6. Step 6: Final answer
    x = 406,020.55

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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.