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Finding the Fourth Proportional to 444,138.89, 612,356.19 and 370,657.10

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Solution

The fourth proportional to 444,138.89, 612,356.19 and 370,657.10 is: 511,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,138.89 : 612,356.19 = 370,657.10 : x
  2. Step 2: Convert to fraction form
    444,138.89/612,356.19 = 370,657.10/x
  3. Step 3: Cross multiply
    444,138.89x = 612,356.19 × 370,657.10
  4. Step 4: Simplify right side
    444,138.89x = 226,974,166,490.67
  5. Step 5: Solve for x
    x = 226,974,166,490.67/444,138.89
  6. Step 6: Final answer
    x = 511,043.22

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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.