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Finding the Fourth Proportional to 504,678.74, 696,457.32 and 275,236.52

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Solution

The fourth proportional to 504,678.74, 696,457.32 and 275,236.52 is: 379,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,678.74 : 696,457.32 = 275,236.52 : x
  2. Step 2: Convert to fraction form
    504,678.74/696,457.32 = 275,236.52/x
  3. Step 3: Cross multiply
    504,678.74x = 696,457.32 × 275,236.52
  4. Step 4: Simplify right side
    504,678.74x = 191,690,489,085.33
  5. Step 5: Solve for x
    x = 191,690,489,085.33/504,678.74
  6. Step 6: Final answer
    x = 379,826.76

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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.