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Finding the Fourth Proportional to 478,802.01, 718,218.03 and 179,225.37

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Solution

The fourth proportional to 478,802.01, 718,218.03 and 179,225.37 is: 268,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,802.01 : 718,218.03 = 179,225.37 : x
  2. Step 2: Convert to fraction form
    478,802.01/718,218.03 = 179,225.37/x
  3. Step 3: Cross multiply
    478,802.01x = 718,218.03 × 179,225.37
  4. Step 4: Simplify right side
    478,802.01x = 128,722,892,167.42
  5. Step 5: Solve for x
    x = 128,722,892,167.42/478,802.01
  6. Step 6: Final answer
    x = 268,843.68

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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.