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Finding the Fourth Proportional to 676,082.22, 933,625.56 and 434,783.76

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Solution

The fourth proportional to 676,082.22, 933,625.56 and 434,783.76 is: 600,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,082.22 : 933,625.56 = 434,783.76 : x
  2. Step 2: Convert to fraction form
    676,082.22/933,625.56 = 434,783.76/x
  3. Step 3: Cross multiply
    676,082.22x = 933,625.56 × 434,783.76
  4. Step 4: Simplify right side
    676,082.22x = 405,925,231,408.91
  5. Step 5: Solve for x
    x = 405,925,231,408.91/676,082.22
  6. Step 6: Final answer
    x = 600,408.09

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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.