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Finding the Fourth Proportional to 507,087.55, 699,774.30 and 292,247.62

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Solution

The fourth proportional to 507,087.55, 699,774.30 and 292,247.62 is: 403,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,087.55 : 699,774.30 = 292,247.62 : x
  2. Step 2: Convert to fraction form
    507,087.55/699,774.30 = 292,247.62/x
  3. Step 3: Cross multiply
    507,087.55x = 699,774.30 × 292,247.62
  4. Step 4: Simplify right side
    507,087.55x = 204,507,373,712.17
  5. Step 5: Solve for x
    x = 204,507,373,712.17/507,087.55
  6. Step 6: Final answer
    x = 403,297.96

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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.