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Finding the Fourth Proportional to 676,278.96, 933,253.56 and 374,466.48

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Solution

The fourth proportional to 676,278.96, 933,253.56 and 374,466.48 is: 516,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,278.96 : 933,253.56 = 374,466.48 : x
  2. Step 2: Convert to fraction form
    676,278.96/933,253.56 = 374,466.48/x
  3. Step 3: Cross multiply
    676,278.96x = 933,253.56 × 374,466.48
  4. Step 4: Simplify right side
    676,278.96x = 349,472,175,560.67
  5. Step 5: Solve for x
    x = 349,472,175,560.67/676,278.96
  6. Step 6: Final answer
    x = 516,757.43

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1.5x scale

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.