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Finding the Fourth Proportional to 504,602.14, 696,340.67 and 278,247.64

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Solution

The fourth proportional to 504,602.14, 696,340.67 and 278,247.64 is: 383,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,602.14 : 696,340.67 = 278,247.64 : x
  2. Step 2: Convert to fraction form
    504,602.14/696,340.67 = 278,247.64/x
  3. Step 3: Cross multiply
    504,602.14x = 696,340.67 × 278,247.64
  4. Step 4: Simplify right side
    504,602.14x = 193,755,146,237.07
  5. Step 5: Solve for x
    x = 193,755,146,237.07/504,602.14
  6. Step 6: Final answer
    x = 383,976.07

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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.