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Finding the Fourth Proportional to 544,318.63, 751,185.32 and 302,605.21

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Solution

The fourth proportional to 544,318.63, 751,185.32 and 302,605.21 is: 417,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,318.63 : 751,185.32 = 302,605.21 : x
  2. Step 2: Convert to fraction form
    544,318.63/751,185.32 = 302,605.21/x
  3. Step 3: Cross multiply
    544,318.63x = 751,185.32 × 302,605.21
  4. Step 4: Simplify right side
    544,318.63x = 227,312,591,507.52
  5. Step 5: Solve for x
    x = 227,312,591,507.52/544,318.63
  6. Step 6: Final answer
    x = 417,609.43

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Double scale
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1.5x scale

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.