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Finding the Fourth Proportional to 611,967.80, 844,377.54 and 370,244.36

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Solution

The fourth proportional to 611,967.80, 844,377.54 and 370,244.36 is: 510,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,967.80 : 844,377.54 = 370,244.36 : x
  2. Step 2: Convert to fraction form
    611,967.80/844,377.54 = 370,244.36/x
  3. Step 3: Cross multiply
    611,967.80x = 844,377.54 × 370,244.36
  4. Step 4: Simplify right side
    611,967.80x = 312,626,021,895.67
  5. Step 5: Solve for x
    x = 312,626,021,895.67/611,967.80
  6. Step 6: Final answer
    x = 510,853.71

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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.