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Finding the Fourth Proportional to 474,348.30, 709,794.45 and 349,932.30

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Solution

The fourth proportional to 474,348.30, 709,794.45 and 349,932.30 is: 523,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,348.30 : 709,794.45 = 349,932.30 : x
  2. Step 2: Convert to fraction form
    474,348.30/709,794.45 = 349,932.30/x
  3. Step 3: Cross multiply
    474,348.30x = 709,794.45 × 349,932.30
  4. Step 4: Simplify right side
    474,348.30x = 248,380,004,415.74
  5. Step 5: Solve for x
    x = 248,380,004,415.74/474,348.30
  6. Step 6: Final answer
    x = 523,623.68

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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.