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Finding the Fourth Proportional to 504,499.64, 696,209.58 and 278,145.14

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Solution

The fourth proportional to 504,499.64, 696,209.58 and 278,145.14 is: 383,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,499.64 : 696,209.58 = 278,145.14 : x
  2. Step 2: Convert to fraction form
    504,499.64/696,209.58 = 278,145.14/x
  3. Step 3: Cross multiply
    504,499.64x = 696,209.58 × 278,145.14
  4. Step 4: Simplify right side
    504,499.64x = 193,647,311,533.57
  5. Step 5: Solve for x
    x = 193,647,311,533.57/504,499.64
  6. Step 6: Final answer
    x = 383,840.34

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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.