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Finding the Fourth Proportional to 347,570.84, 479,788.44 and 294,133.52

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Solution

The fourth proportional to 347,570.84, 479,788.44 and 294,133.52 is: 406,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,570.84 : 479,788.44 = 294,133.52 : x
  2. Step 2: Convert to fraction form
    347,570.84/479,788.44 = 294,133.52/x
  3. Step 3: Cross multiply
    347,570.84x = 479,788.44 × 294,133.52
  4. Step 4: Simplify right side
    347,570.84x = 141,121,862,712.51
  5. Step 5: Solve for x
    x = 141,121,862,712.51/347,570.84
  6. Step 6: Final answer
    x = 406,023.31

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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.