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Finding the Fourth Proportional to 676,539, 933,654.60 and 374,733

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Solution

The fourth proportional to 676,539, 933,654.60 and 374,733 is: 517,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,539 : 933,654.60 = 374,733 : x
  2. Step 2: Convert to fraction form
    676,539/933,654.60 = 374,733/x
  3. Step 3: Cross multiply
    676,539x = 933,654.60 × 374,733
  4. Step 4: Simplify right side
    676,539x = 349,871,189,221.80
  5. Step 5: Solve for x
    x = 349,871,189,221.80/676,539
  6. Step 6: Final answer
    x = 517,148.59

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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.