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Finding the Fourth Proportional to 544,543.39, 751,412.32 and 302,786.94

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Solution

The fourth proportional to 544,543.39, 751,412.32 and 302,786.94 is: 417,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,543.39 : 751,412.32 = 302,786.94 : x
  2. Step 2: Convert to fraction form
    544,543.39/751,412.32 = 302,786.94/x
  3. Step 3: Cross multiply
    544,543.39x = 751,412.32 × 302,786.94
  4. Step 4: Simplify right side
    544,543.39x = 227,517,837,051.10
  5. Step 5: Solve for x
    x = 227,517,837,051.10/544,543.39
  6. Step 6: Final answer
    x = 417,813.97

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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.