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Finding the Fourth Proportional to 342,248.60, 512,945.22 and 236,222.84

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Solution

The fourth proportional to 342,248.60, 512,945.22 and 236,222.84 is: 354,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,248.60 : 512,945.22 = 236,222.84 : x
  2. Step 2: Convert to fraction form
    342,248.60/512,945.22 = 236,222.84/x
  3. Step 3: Cross multiply
    342,248.60x = 512,945.22 × 236,222.84
  4. Step 4: Simplify right side
    342,248.60x = 121,169,376,632.83
  5. Step 5: Solve for x
    x = 121,169,376,632.83/342,248.60
  6. Step 6: Final answer
    x = 354,039.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.