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Finding the Fourth Proportional to 510,688.89, 704,723.67 and 292,886.33

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Solution

The fourth proportional to 510,688.89, 704,723.67 and 292,886.33 is: 404,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,688.89 : 704,723.67 = 292,886.33 : x
  2. Step 2: Convert to fraction form
    510,688.89/704,723.67 = 292,886.33/x
  3. Step 3: Cross multiply
    510,688.89x = 704,723.67 × 292,886.33
  4. Step 4: Simplify right side
    510,688.89x = 206,403,925,846.81
  5. Step 5: Solve for x
    x = 206,403,925,846.81/510,688.89
  6. Step 6: Final answer
    x = 404,167.64

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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.