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Finding the Fourth Proportional to 593,178.92, 889,920.08 and 172,454.79

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Solution

The fourth proportional to 593,178.92, 889,920.08 and 172,454.79 is: 258,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,178.92 : 889,920.08 = 172,454.79 : x
  2. Step 2: Convert to fraction form
    593,178.92/889,920.08 = 172,454.79/x
  3. Step 3: Cross multiply
    593,178.92x = 889,920.08 × 172,454.79
  4. Step 4: Simplify right side
    593,178.92x = 153,470,980,513.18
  5. Step 5: Solve for x
    x = 153,470,980,513.18/593,178.92
  6. Step 6: Final answer
    x = 258,726.29

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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.