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Finding the Fourth Proportional to 565,972.91, 848,851.04 and 219,756.40

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Solution

The fourth proportional to 565,972.91, 848,851.04 and 219,756.40 is: 329,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,972.91 : 848,851.04 = 219,756.40 : x
  2. Step 2: Convert to fraction form
    565,972.91/848,851.04 = 219,756.40/x
  3. Step 3: Cross multiply
    565,972.91x = 848,851.04 × 219,756.40
  4. Step 4: Simplify right side
    565,972.91x = 186,540,448,686.66
  5. Step 5: Solve for x
    x = 186,540,448,686.66/565,972.91
  6. Step 6: Final answer
    x = 329,592.54

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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.