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Finding the Fourth Proportional to 345,348.91, 476,595.93 and 192,387.07

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Solution

The fourth proportional to 345,348.91, 476,595.93 and 192,387.07 is: 265,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,348.91 : 476,595.93 = 192,387.07 : x
  2. Step 2: Convert to fraction form
    345,348.91/476,595.93 = 192,387.07/x
  3. Step 3: Cross multiply
    345,348.91x = 476,595.93 × 192,387.07
  4. Step 4: Simplify right side
    345,348.91x = 91,690,894,546.63
  5. Step 5: Solve for x
    x = 91,690,894,546.63/345,348.91
  6. Step 6: Final answer
    x = 265,502.20

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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.