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Finding the Fourth Proportional to 482,851.92, 666,127.62 and 291,754.68

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Solution

The fourth proportional to 482,851.92, 666,127.62 and 291,754.68 is: 402,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,851.92 : 666,127.62 = 291,754.68 : x
  2. Step 2: Convert to fraction form
    482,851.92/666,127.62 = 291,754.68/x
  3. Step 3: Cross multiply
    482,851.92x = 666,127.62 × 291,754.68
  4. Step 4: Simplify right side
    482,851.92x = 194,345,850,612.26
  5. Step 5: Solve for x
    x = 194,345,850,612.26/482,851.92
  6. Step 6: Final answer
    x = 402,495.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.