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Finding the Fourth Proportional to 504,961.26, 696,846.16 and 278,606.76

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Solution

The fourth proportional to 504,961.26, 696,846.16 and 278,606.76 is: 384,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,961.26 : 696,846.16 = 278,606.76 : x
  2. Step 2: Convert to fraction form
    504,961.26/696,846.16 = 278,606.76/x
  3. Step 3: Cross multiply
    504,961.26x = 696,846.16 × 278,606.76
  4. Step 4: Simplify right side
    504,961.26x = 194,146,050,856.04
  5. Step 5: Solve for x
    x = 194,146,050,856.04/504,961.26
  6. Step 6: Final answer
    x = 384,477.12

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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.