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Finding the Fourth Proportional to 503,764.20, 706,203 and 503,764.20

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Solution

The fourth proportional to 503,764.20, 706,203 and 503,764.20 is: 706,203

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,764.20 : 706,203 = 503,764.20 : x
  2. Step 2: Convert to fraction form
    503,764.20/706,203 = 503,764.20/x
  3. Step 3: Cross multiply
    503,764.20x = 706,203 × 503,764.20
  4. Step 4: Simplify right side
    503,764.20x = 355,759,789,332.60
  5. Step 5: Solve for x
    x = 355,759,789,332.60/503,764.20
  6. Step 6: Final answer
    x = 706,203

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.