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Finding the Fourth Proportional to 294,090.80, 440,261.40 and 175,701.20

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Solution

The fourth proportional to 294,090.80, 440,261.40 and 175,701.20 is: 263,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,090.80 : 440,261.40 = 175,701.20 : x
  2. Step 2: Convert to fraction form
    294,090.80/440,261.40 = 175,701.20/x
  3. Step 3: Cross multiply
    294,090.80x = 440,261.40 × 175,701.20
  4. Step 4: Simplify right side
    294,090.80x = 77,354,456,293.68
  5. Step 5: Solve for x
    x = 77,354,456,293.68/294,090.80
  6. Step 6: Final answer
    x = 263,029.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.