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Finding the Fourth Proportional to 593,134.88, 889,726.94 and 172,410.75

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Solution

The fourth proportional to 593,134.88, 889,726.94 and 172,410.75 is: 258,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,134.88 : 889,726.94 = 172,410.75 : x
  2. Step 2: Convert to fraction form
    593,134.88/889,726.94 = 172,410.75/x
  3. Step 3: Cross multiply
    593,134.88x = 889,726.94 × 172,410.75
  4. Step 4: Simplify right side
    593,134.88x = 153,398,488,158.55
  5. Step 5: Solve for x
    x = 153,398,488,158.55/593,134.88
  6. Step 6: Final answer
    x = 258,623.28

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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.