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Finding the Fourth Proportional to 510,689.89, 704,725.05 and 292,887.33

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Solution

The fourth proportional to 510,689.89, 704,725.05 and 292,887.33 is: 404,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,689.89 : 704,725.05 = 292,887.33 : x
  2. Step 2: Convert to fraction form
    510,689.89/704,725.05 = 292,887.33/x
  3. Step 3: Cross multiply
    510,689.89x = 704,725.05 × 292,887.33
  4. Step 4: Simplify right side
    510,689.89x = 206,405,038,278.62
  5. Step 5: Solve for x
    x = 206,405,038,278.62/510,689.89
  6. Step 6: Final answer
    x = 404,169.03

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1.5x scale

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.