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Finding the Fourth Proportional to 751,572, 1,037,713.68 and 483,766.56

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Solution

The fourth proportional to 751,572, 1,037,713.68 and 483,766.56 is: 667,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,572 : 1,037,713.68 = 483,766.56 : x
  2. Step 2: Convert to fraction form
    751,572/1,037,713.68 = 483,766.56/x
  3. Step 3: Cross multiply
    751,572x = 1,037,713.68 × 483,766.56
  4. Step 4: Simplify right side
    751,572x = 502,011,177,238.54
  5. Step 5: Solve for x
    x = 502,011,177,238.54/751,572
  6. Step 6: Final answer
    x = 667,948.22

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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.