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Finding the Fourth Proportional to 584,054.78, 806,167.96 and 342,389.66

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Solution

The fourth proportional to 584,054.78, 806,167.96 and 342,389.66 is: 472,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,054.78 : 806,167.96 = 342,389.66 : x
  2. Step 2: Convert to fraction form
    584,054.78/806,167.96 = 342,389.66/x
  3. Step 3: Cross multiply
    584,054.78x = 806,167.96 × 342,389.66
  4. Step 4: Simplify right side
    584,054.78x = 276,023,568,840.48
  5. Step 5: Solve for x
    x = 276,023,568,840.48/584,054.78
  6. Step 6: Final answer
    x = 472,598.77

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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.