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Finding the Fourth Proportional to 692,206, 955,244.28 and 374,254

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Solution

The fourth proportional to 692,206, 955,244.28 and 374,254 is: 516,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,206 : 955,244.28 = 374,254 : x
  2. Step 2: Convert to fraction form
    692,206/955,244.28 = 374,254/x
  3. Step 3: Cross multiply
    692,206x = 955,244.28 × 374,254
  4. Step 4: Simplify right side
    692,206x = 357,503,992,767.12
  5. Step 5: Solve for x
    x = 357,503,992,767.12/692,206
  6. Step 6: Final answer
    x = 516,470.52

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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.