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Finding the Fourth Proportional to 500,751.36, 751,250.16 and 145,768.46

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Solution

The fourth proportional to 500,751.36, 751,250.16 and 145,768.46 is: 218,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,751.36 : 751,250.16 = 145,768.46 : x
  2. Step 2: Convert to fraction form
    500,751.36/751,250.16 = 145,768.46/x
  3. Step 3: Cross multiply
    500,751.36x = 751,250.16 × 145,768.46
  4. Step 4: Simplify right side
    500,751.36x = 109,508,575,141.70
  5. Step 5: Solve for x
    x = 109,508,575,141.70/500,751.36
  6. Step 6: Final answer
    x = 218,688.52

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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.