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Finding the Fourth Proportional to 612,081.80, 844,534.50 and 370,358.36

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Solution

The fourth proportional to 612,081.80, 844,534.50 and 370,358.36 is: 511,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,081.80 : 844,534.50 = 370,358.36 : x
  2. Step 2: Convert to fraction form
    612,081.80/844,534.50 = 370,358.36/x
  3. Step 3: Cross multiply
    612,081.80x = 844,534.50 × 370,358.36
  4. Step 4: Simplify right side
    612,081.80x = 312,780,412,383.42
  5. Step 5: Solve for x
    x = 312,780,412,383.42/612,081.80
  6. Step 6: Final answer
    x = 511,010.80

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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.