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Finding the Fourth Proportional to 295,872.56, 408,272.64 and 175,018.40

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Solution

The fourth proportional to 295,872.56, 408,272.64 and 175,018.40 is: 241,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,872.56 : 408,272.64 = 175,018.40 : x
  2. Step 2: Convert to fraction form
    295,872.56/408,272.64 = 175,018.40/x
  3. Step 3: Cross multiply
    295,872.56x = 408,272.64 × 175,018.40
  4. Step 4: Simplify right side
    295,872.56x = 71,455,224,216.58
  5. Step 5: Solve for x
    x = 71,455,224,216.58/295,872.56
  6. Step 6: Final answer
    x = 241,506.76

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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.