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Finding the Fourth Proportional to 476,130.96, 714,250.64 and 172,668.11

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Solution

The fourth proportional to 476,130.96, 714,250.64 and 172,668.11 is: 259,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,130.96 : 714,250.64 = 172,668.11 : x
  2. Step 2: Convert to fraction form
    476,130.96/714,250.64 = 172,668.11/x
  3. Step 3: Cross multiply
    476,130.96x = 714,250.64 × 172,668.11
  4. Step 4: Simplify right side
    476,130.96x = 123,328,304,935.51
  5. Step 5: Solve for x
    x = 123,328,304,935.51/476,130.96
  6. Step 6: Final answer
    x = 259,021.81

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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.