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Finding the Fourth Proportional to 286,513.00, 429,178.87 and 167,824.51

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Solution

The fourth proportional to 286,513.00, 429,178.87 and 167,824.51 is: 251,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,513.00 : 429,178.87 = 167,824.51 : x
  2. Step 2: Convert to fraction form
    286,513.00/429,178.87 = 167,824.51/x
  3. Step 3: Cross multiply
    286,513.00x = 429,178.87 × 167,824.51
  4. Step 4: Simplify right side
    286,513.00x = 72,026,732,696.94
  5. Step 5: Solve for x
    x = 72,026,732,696.94/286,513.00
  6. Step 6: Final answer
    x = 251,390.80

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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.