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Finding the Fourth Proportional to 932,212, 1,286,454 and 529,804

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Solution

The fourth proportional to 932,212, 1,286,454 and 529,804 is: 731,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,212 : 1,286,454 = 529,804 : x
  2. Step 2: Convert to fraction form
    932,212/1,286,454 = 529,804/x
  3. Step 3: Cross multiply
    932,212x = 1,286,454 × 529,804
  4. Step 4: Simplify right side
    932,212x = 681,568,475,016
  5. Step 5: Solve for x
    x = 681,568,475,016/932,212
  6. Step 6: Final answer
    x = 731,130.34

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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.