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Finding the Fourth Proportional to 504,546.32, 696,271.11 and 278,191.82

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Solution

The fourth proportional to 504,546.32, 696,271.11 and 278,191.82 is: 383,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,546.32 : 696,271.11 = 278,191.82 : x
  2. Step 2: Convert to fraction form
    504,546.32/696,271.11 = 278,191.82/x
  3. Step 3: Cross multiply
    504,546.32x = 696,271.11 × 278,191.82
  4. Step 4: Simplify right side
    504,546.32x = 193,696,928,001.78
  5. Step 5: Solve for x
    x = 193,696,928,001.78/504,546.32
  6. Step 6: Final answer
    x = 383,903.16

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Double scale
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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.