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Finding the Fourth Proportional to 565,940.94, 848,941.65 and 145,220.46

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Solution

The fourth proportional to 565,940.94, 848,941.65 and 145,220.46 is: 217,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,940.94 : 848,941.65 = 145,220.46 : x
  2. Step 2: Convert to fraction form
    565,940.94/848,941.65 = 145,220.46/x
  3. Step 3: Cross multiply
    565,940.94x = 848,941.65 × 145,220.46
  4. Step 4: Simplify right side
    565,940.94x = 123,283,696,926.16
  5. Step 5: Solve for x
    x = 123,283,696,926.16/565,940.94
  6. Step 6: Final answer
    x = 217,838.45

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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.