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Finding the Fourth Proportional to 676,204.50, 933,191.38 and 374,398.50

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Solution

The fourth proportional to 676,204.50, 933,191.38 and 374,398.50 is: 516,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,204.50 : 933,191.38 = 374,398.50 : x
  2. Step 2: Convert to fraction form
    676,204.50/933,191.38 = 374,398.50/x
  3. Step 3: Cross multiply
    676,204.50x = 933,191.38 × 374,398.50
  4. Step 4: Simplify right side
    676,204.50x = 349,385,452,884.93
  5. Step 5: Solve for x
    x = 349,385,452,884.93/676,204.50
  6. Step 6: Final answer
    x = 516,686.08

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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.