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Finding the Fourth Proportional to 345,287.78, 476,570.66 and 232,044.92

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Solution

The fourth proportional to 345,287.78, 476,570.66 and 232,044.92 is: 320,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,287.78 : 476,570.66 = 232,044.92 : x
  2. Step 2: Convert to fraction form
    345,287.78/476,570.66 = 232,044.92/x
  3. Step 3: Cross multiply
    345,287.78x = 476,570.66 × 232,044.92
  4. Step 4: Simplify right side
    345,287.78x = 110,585,800,674.05
  5. Step 5: Solve for x
    x = 110,585,800,674.05/345,287.78
  6. Step 6: Final answer
    x = 320,271.40

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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.