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Finding the Fourth Proportional to 907,329, 1,252,114.02 and 504,921.32

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Solution

The fourth proportional to 907,329, 1,252,114.02 and 504,921.32 is: 696,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,329 : 1,252,114.02 = 504,921.32 : x
  2. Step 2: Convert to fraction form
    907,329/1,252,114.02 = 504,921.32/x
  3. Step 3: Cross multiply
    907,329x = 1,252,114.02 × 504,921.32
  4. Step 4: Simplify right side
    907,329x = 632,219,063,768.91
  5. Step 5: Solve for x
    x = 632,219,063,768.91/907,329
  6. Step 6: Final answer
    x = 696,791.42

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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.