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Finding the Fourth Proportional to 478,833.14, 718,461.30 and 251,074.37

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Solution

The fourth proportional to 478,833.14, 718,461.30 and 251,074.37 is: 376,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,833.14 : 718,461.30 = 251,074.37 : x
  2. Step 2: Convert to fraction form
    478,833.14/718,461.30 = 251,074.37/x
  3. Step 3: Cross multiply
    478,833.14x = 718,461.30 × 251,074.37
  4. Step 4: Simplify right side
    478,833.14x = 180,387,217,011.51
  5. Step 5: Solve for x
    x = 180,387,217,011.51/478,833.14
  6. Step 6: Final answer
    x = 376,722.50

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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.