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Finding the Fourth Proportional to 593,172.32, 889,910.15 and 172,448.19

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Solution

The fourth proportional to 593,172.32, 889,910.15 and 172,448.19 is: 258,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,172.32 : 889,910.15 = 172,448.19 : x
  2. Step 2: Convert to fraction form
    593,172.32/889,910.15 = 172,448.19/x
  3. Step 3: Cross multiply
    593,172.32x = 889,910.15 × 172,448.19
  4. Step 4: Simplify right side
    593,172.32x = 153,463,393,767.89
  5. Step 5: Solve for x
    x = 153,463,393,767.89/593,172.32
  6. Step 6: Final answer
    x = 258,716.38

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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.