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Finding the Fourth Proportional to 676,355, 933,399.24 and 374,549

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Solution

The fourth proportional to 676,355, 933,399.24 and 374,549 is: 516,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,355 : 933,399.24 = 374,549 : x
  2. Step 2: Convert to fraction form
    676,355/933,399.24 = 374,549/x
  3. Step 3: Cross multiply
    676,355x = 933,399.24 × 374,549
  4. Step 4: Simplify right side
    676,355x = 349,603,751,942.76
  5. Step 5: Solve for x
    x = 349,603,751,942.76/676,355
  6. Step 6: Final answer
    x = 516,893.87

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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.