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Finding the Fourth Proportional to 504,674.37, 696,402.23 and 278,305.29

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Solution

The fourth proportional to 504,674.37, 696,402.23 and 278,305.29 is: 384,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,674.37 : 696,402.23 = 278,305.29 : x
  2. Step 2: Convert to fraction form
    504,674.37/696,402.23 = 278,305.29/x
  3. Step 3: Cross multiply
    504,674.37x = 696,402.23 × 278,305.29
  4. Step 4: Simplify right side
    504,674.37x = 193,812,423,185.27
  5. Step 5: Solve for x
    x = 193,812,423,185.27/504,674.37
  6. Step 6: Final answer
    x = 384,034.61

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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.