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Finding the Fourth Proportional to 504,548.04, 696,240.72 and 278,188.68

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Solution

The fourth proportional to 504,548.04, 696,240.72 and 278,188.68 is: 383,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,548.04 : 696,240.72 = 278,188.68 : x
  2. Step 2: Convert to fraction form
    504,548.04/696,240.72 = 278,188.68/x
  3. Step 3: Cross multiply
    504,548.04x = 696,240.72 × 278,188.68
  4. Step 4: Simplify right side
    504,548.04x = 193,686,286,859.05
  5. Step 5: Solve for x
    x = 193,686,286,859.05/504,548.04
  6. Step 6: Final answer
    x = 383,880.76

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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.