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Finding the Fourth Proportional to 676,286.29, 933,114.90 and 400,504.87

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Solution

The fourth proportional to 676,286.29, 933,114.90 and 400,504.87 is: 552,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,286.29 : 933,114.90 = 400,504.87 : x
  2. Step 2: Convert to fraction form
    676,286.29/933,114.90 = 400,504.87/x
  3. Step 3: Cross multiply
    676,286.29x = 933,114.90 × 400,504.87
  4. Step 4: Simplify right side
    676,286.29x = 373,717,061,719.56
  5. Step 5: Solve for x
    x = 373,717,061,719.56/676,286.29
  6. Step 6: Final answer
    x = 552,601.86

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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.