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Finding the Fourth Proportional to 692,406, 955,523.16 and 374,454

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Solution

The fourth proportional to 692,406, 955,523.16 and 374,454 is: 516,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,406 : 955,523.16 = 374,454 : x
  2. Step 2: Convert to fraction form
    692,406/955,523.16 = 374,454/x
  3. Step 3: Cross multiply
    692,406x = 955,523.16 × 374,454
  4. Step 4: Simplify right side
    692,406x = 357,799,469,354.64
  5. Step 5: Solve for x
    x = 357,799,469,354.64/692,406
  6. Step 6: Final answer
    x = 516,748.08

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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.