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Finding the Fourth Proportional to 504,876.33, 696,680.85 and 278,507.25

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Solution

The fourth proportional to 504,876.33, 696,680.85 and 278,507.25 is: 384,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,876.33 : 696,680.85 = 278,507.25 : x
  2. Step 2: Convert to fraction form
    504,876.33/696,680.85 = 278,507.25/x
  3. Step 3: Cross multiply
    504,876.33x = 696,680.85 × 278,507.25
  4. Step 4: Simplify right side
    504,876.33x = 194,030,667,661.16
  5. Step 5: Solve for x
    x = 194,030,667,661.16/504,876.33
  6. Step 6: Final answer
    x = 384,313.26

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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.