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Finding the Fourth Proportional to 488,060.51, 731,819.12 and 151,005.51

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Solution

The fourth proportional to 488,060.51, 731,819.12 and 151,005.51 is: 226,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,060.51 : 731,819.12 = 151,005.51 : x
  2. Step 2: Convert to fraction form
    488,060.51/731,819.12 = 151,005.51/x
  3. Step 3: Cross multiply
    488,060.51x = 731,819.12 × 151,005.51
  4. Step 4: Simplify right side
    488,060.51x = 110,508,718,688.32
  5. Step 5: Solve for x
    x = 110,508,718,688.32/488,060.51
  6. Step 6: Final answer
    x = 226,424.22

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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.