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Finding the Fourth Proportional to 444,077.16, 612,686.40 and 271,815.36

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Solution

The fourth proportional to 444,077.16, 612,686.40 and 271,815.36 is: 375,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,077.16 : 612,686.40 = 271,815.36 : x
  2. Step 2: Convert to fraction form
    444,077.16/612,686.40 = 271,815.36/x
  3. Step 3: Cross multiply
    444,077.16x = 612,686.40 × 271,815.36
  4. Step 4: Simplify right side
    444,077.16x = 166,537,574,383.10
  5. Step 5: Solve for x
    x = 166,537,574,383.10/444,077.16
  6. Step 6: Final answer
    x = 375,019.45

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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.