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Finding the Fourth Proportional to 582,446.04, 873,668.70 and 161,721.80

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Solution

The fourth proportional to 582,446.04, 873,668.70 and 161,721.80 is: 242,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,446.04 : 873,668.70 = 161,721.80 : x
  2. Step 2: Convert to fraction form
    582,446.04/873,668.70 = 161,721.80/x
  3. Step 3: Cross multiply
    582,446.04x = 873,668.70 × 161,721.80
  4. Step 4: Simplify right side
    582,446.04x = 141,291,274,767.66
  5. Step 5: Solve for x
    x = 141,291,274,767.66/582,446.04
  6. Step 6: Final answer
    x = 242,582.60

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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.