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Finding the Fourth Proportional to 692,202, 955,238.76 and 374,250

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Solution

The fourth proportional to 692,202, 955,238.76 and 374,250 is: 516,465

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,202 : 955,238.76 = 374,250 : x
  2. Step 2: Convert to fraction form
    692,202/955,238.76 = 374,250/x
  3. Step 3: Cross multiply
    692,202x = 955,238.76 × 374,250
  4. Step 4: Simplify right side
    692,202x = 357,498,105,930
  5. Step 5: Solve for x
    x = 357,498,105,930/692,202
  6. Step 6: Final answer
    x = 516,465

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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.