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Finding the Fourth Proportional to 504,161.28, 696,302.40 and 342,736.08

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Solution

The fourth proportional to 504,161.28, 696,302.40 and 342,736.08 is: 473,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,161.28 : 696,302.40 = 342,736.08 : x
  2. Step 2: Convert to fraction form
    504,161.28/696,302.40 = 342,736.08/x
  3. Step 3: Cross multiply
    504,161.28x = 696,302.40 × 342,736.08
  4. Step 4: Simplify right side
    504,161.28x = 238,647,955,070.59
  5. Step 5: Solve for x
    x = 238,647,955,070.59/504,161.28
  6. Step 6: Final answer
    x = 473,356.37

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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.