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Finding the Fourth Proportional to 545,455.82, 817,068.33 and 444,613.25

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Solution

The fourth proportional to 545,455.82, 817,068.33 and 444,613.25 is: 666,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,455.82 : 817,068.33 = 444,613.25 : x
  2. Step 2: Convert to fraction form
    545,455.82/817,068.33 = 444,613.25/x
  3. Step 3: Cross multiply
    545,455.82x = 817,068.33 × 444,613.25
  4. Step 4: Simplify right side
    545,455.82x = 363,279,407,716.04
  5. Step 5: Solve for x
    x = 363,279,407,716.04/545,455.82
  6. Step 6: Final answer
    x = 666,010.69

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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.