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Finding the Fourth Proportional to 503,634.51, 755,427.16 and 188,066.81

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Solution

The fourth proportional to 503,634.51, 755,427.16 and 188,066.81 is: 282,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,634.51 : 755,427.16 = 188,066.81 : x
  2. Step 2: Convert to fraction form
    503,634.51/755,427.16 = 188,066.81/x
  3. Step 3: Cross multiply
    503,634.51x = 755,427.16 × 188,066.81
  4. Step 4: Simplify right side
    503,634.51x = 142,070,778,292.21
  5. Step 5: Solve for x
    x = 142,070,778,292.21/503,634.51
  6. Step 6: Final answer
    x = 282,091.03

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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.