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Finding the Fourth Proportional to 503,793.40, 755,513.70 and 148,713.40

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Solution

The fourth proportional to 503,793.40, 755,513.70 and 148,713.40 is: 223,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,793.40 : 755,513.70 = 148,713.40 : x
  2. Step 2: Convert to fraction form
    503,793.40/755,513.70 = 148,713.40/x
  3. Step 3: Cross multiply
    503,793.40x = 755,513.70 × 148,713.40
  4. Step 4: Simplify right side
    503,793.40x = 112,355,011,073.58
  5. Step 5: Solve for x
    x = 112,355,011,073.58/503,793.40
  6. Step 6: Final answer
    x = 223,018.03

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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.