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Finding the Fourth Proportional to 676,203, 933,189.30 and 374,397

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Solution

The fourth proportional to 676,203, 933,189.30 and 374,397 is: 516,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,203 : 933,189.30 = 374,397 : x
  2. Step 2: Convert to fraction form
    676,203/933,189.30 = 374,397/x
  3. Step 3: Cross multiply
    676,203x = 933,189.30 × 374,397
  4. Step 4: Simplify right side
    676,203x = 349,383,274,352.10
  5. Step 5: Solve for x
    x = 349,383,274,352.10/676,203
  6. Step 6: Final answer
    x = 516,684.01

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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.