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Finding the Fourth Proportional to 565,706.79, 848,929.59 and 211,004.55

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Solution

The fourth proportional to 565,706.79, 848,929.59 and 211,004.55 is: 316,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,706.79 : 848,929.59 = 211,004.55 : x
  2. Step 2: Convert to fraction form
    565,706.79/848,929.59 = 211,004.55/x
  3. Step 3: Cross multiply
    565,706.79x = 848,929.59 × 211,004.55
  4. Step 4: Simplify right side
    565,706.79x = 179,128,006,119.64
  5. Step 5: Solve for x
    x = 179,128,006,119.64/565,706.79
  6. Step 6: Final answer
    x = 316,644.61

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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.