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Finding the Fourth Proportional to 474,043.80, 709,337.70 and 349,627.80

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Solution

The fourth proportional to 474,043.80, 709,337.70 and 349,627.80 is: 523,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,043.80 : 709,337.70 = 349,627.80 : x
  2. Step 2: Convert to fraction form
    474,043.80/709,337.70 = 349,627.80/x
  3. Step 3: Cross multiply
    474,043.80x = 709,337.70 × 349,627.80
  4. Step 4: Simplify right side
    474,043.80x = 248,004,179,508.06
  5. Step 5: Solve for x
    x = 248,004,179,508.06/474,043.80
  6. Step 6: Final answer
    x = 523,167.23

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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.