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Finding the Fourth Proportional to 293,316.73, 404,782.83 and 191,407.39

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Solution

The fourth proportional to 293,316.73, 404,782.83 and 191,407.39 is: 264,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,316.73 : 404,782.83 = 191,407.39 : x
  2. Step 2: Convert to fraction form
    293,316.73/404,782.83 = 191,407.39/x
  3. Step 3: Cross multiply
    293,316.73x = 404,782.83 × 191,407.39
  4. Step 4: Simplify right side
    293,316.73x = 77,478,423,995.16
  5. Step 5: Solve for x
    x = 77,478,423,995.16/293,316.73
  6. Step 6: Final answer
    x = 264,145.94

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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.