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Finding the Fourth Proportional to 593,167.78, 889,903.40 and 172,443.66

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Solution

The fourth proportional to 593,167.78, 889,903.40 and 172,443.66 is: 258,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,167.78 : 889,903.40 = 172,443.66 : x
  2. Step 2: Convert to fraction form
    593,167.78/889,903.40 = 172,443.66/x
  3. Step 3: Cross multiply
    593,167.78x = 889,903.40 × 172,443.66
  4. Step 4: Simplify right side
    593,167.78x = 153,458,195,143.09
  5. Step 5: Solve for x
    x = 153,458,195,143.09/593,167.78
  6. Step 6: Final answer
    x = 258,709.59

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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.