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Finding the Fourth Proportional to 472,940.70, 652,672.04 and 258,094.64

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Solution

The fourth proportional to 472,940.70, 652,672.04 and 258,094.64 is: 356,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,940.70 : 652,672.04 = 258,094.64 : x
  2. Step 2: Convert to fraction form
    472,940.70/652,672.04 = 258,094.64/x
  3. Step 3: Cross multiply
    472,940.70x = 652,672.04 × 258,094.64
  4. Step 4: Simplify right side
    472,940.70x = 168,451,150,648.03
  5. Step 5: Solve for x
    x = 168,451,150,648.03/472,940.70
  6. Step 6: Final answer
    x = 356,178.16

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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.