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Finding the Fourth Proportional to 543,788.39, 750,427.61 and 302,093.51

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Solution

The fourth proportional to 543,788.39, 750,427.61 and 302,093.51 is: 416,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,788.39 : 750,427.61 = 302,093.51 : x
  2. Step 2: Convert to fraction form
    543,788.39/750,427.61 = 302,093.51/x
  3. Step 3: Cross multiply
    543,788.39x = 750,427.61 × 302,093.51
  4. Step 4: Simplify right side
    543,788.39x = 226,699,305,443.21
  5. Step 5: Solve for x
    x = 226,699,305,443.21/543,788.39
  6. Step 6: Final answer
    x = 416,888.83

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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.