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Finding the Fourth Proportional to 365,151.87, 503,823.22 and 212,099.12

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Solution

The fourth proportional to 365,151.87, 503,823.22 and 212,099.12 is: 292,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,151.87 : 503,823.22 = 212,099.12 : x
  2. Step 2: Convert to fraction form
    365,151.87/503,823.22 = 212,099.12/x
  3. Step 3: Cross multiply
    365,151.87x = 503,823.22 × 212,099.12
  4. Step 4: Simplify right side
    365,151.87x = 106,860,459,617.07
  5. Step 5: Solve for x
    x = 106,860,459,617.07/365,151.87
  6. Step 6: Final answer
    x = 292,646.62

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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.