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Finding the Fourth Proportional to 365,152.87, 503,824.60 and 212,100.12

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Solution

The fourth proportional to 365,152.87, 503,824.60 and 212,100.12 is: 292,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,152.87 : 503,824.60 = 212,100.12 : x
  2. Step 2: Convert to fraction form
    365,152.87/503,824.60 = 212,100.12/x
  3. Step 3: Cross multiply
    365,152.87x = 503,824.60 × 212,100.12
  4. Step 4: Simplify right side
    365,152.87x = 106,861,258,118.95
  5. Step 5: Solve for x
    x = 106,861,258,118.95/365,152.87
  6. Step 6: Final answer
    x = 292,648.00

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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.