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Finding the Fourth Proportional to 676,197, 933,181.02 and 374,391

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Solution

The fourth proportional to 676,197, 933,181.02 and 374,391 is: 516,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,197 : 933,181.02 = 374,391 : x
  2. Step 2: Convert to fraction form
    676,197/933,181.02 = 374,391/x
  3. Step 3: Cross multiply
    676,197x = 933,181.02 × 374,391
  4. Step 4: Simplify right side
    676,197x = 349,374,575,258.82
  5. Step 5: Solve for x
    x = 349,374,575,258.82/676,197
  6. Step 6: Final answer
    x = 516,675.73

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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.