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Finding the Fourth Proportional to 536,164.97, 739,722.65 and 342,685.94

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Solution

The fourth proportional to 536,164.97, 739,722.65 and 342,685.94 is: 472,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,164.97 : 739,722.65 = 342,685.94 : x
  2. Step 2: Convert to fraction form
    536,164.97/739,722.65 = 342,685.94/x
  3. Step 3: Cross multiply
    536,164.97x = 739,722.65 × 342,685.94
  4. Step 4: Simplify right side
    536,164.97x = 253,492,546,242.50
  5. Step 5: Solve for x
    x = 253,492,546,242.50/536,164.97
  6. Step 6: Final answer
    x = 472,788.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.