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Finding the Fourth Proportional to 676,188, 933,168.60 and 374,382

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Solution

The fourth proportional to 676,188, 933,168.60 and 374,382 is: 516,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,188 : 933,168.60 = 374,382 : x
  2. Step 2: Convert to fraction form
    676,188/933,168.60 = 374,382/x
  3. Step 3: Cross multiply
    676,188x = 933,168.60 × 374,382
  4. Step 4: Simplify right side
    676,188x = 349,361,526,805.20
  5. Step 5: Solve for x
    x = 349,361,526,805.20/676,188
  6. Step 6: Final answer
    x = 516,663.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.