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Finding the Fourth Proportional to 474,696.64, 712,043.34 and 194,213.89

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Solution

The fourth proportional to 474,696.64, 712,043.34 and 194,213.89 is: 291,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,696.64 : 712,043.34 = 194,213.89 : x
  2. Step 2: Convert to fraction form
    474,696.64/712,043.34 = 194,213.89/x
  3. Step 3: Cross multiply
    474,696.64x = 712,043.34 × 194,213.89
  4. Step 4: Simplify right side
    474,696.64x = 138,288,706,909.99
  5. Step 5: Solve for x
    x = 138,288,706,909.99/474,696.64
  6. Step 6: Final answer
    x = 291,320.17

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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.