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Finding the Fourth Proportional to 503,784.40, 755,500.20 and 148,704.40

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Solution

The fourth proportional to 503,784.40, 755,500.20 and 148,704.40 is: 223,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,784.40 : 755,500.20 = 148,704.40 : x
  2. Step 2: Convert to fraction form
    503,784.40/755,500.20 = 148,704.40/x
  3. Step 3: Cross multiply
    503,784.40x = 755,500.20 × 148,704.40
  4. Step 4: Simplify right side
    503,784.40x = 112,346,203,940.88
  5. Step 5: Solve for x
    x = 112,346,203,940.88/503,784.40
  6. Step 6: Final answer
    x = 223,004.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.