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Finding the Fourth Proportional to 691,714.26, 954,403.16 and 419,776.02

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Solution

The fourth proportional to 691,714.26, 954,403.16 and 419,776.02 is: 579,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,714.26 : 954,403.16 = 419,776.02 : x
  2. Step 2: Convert to fraction form
    691,714.26/954,403.16 = 419,776.02/x
  3. Step 3: Cross multiply
    691,714.26x = 954,403.16 × 419,776.02
  4. Step 4: Simplify right side
    691,714.26x = 400,635,557,881.34
  5. Step 5: Solve for x
    x = 400,635,557,881.34/691,714.26
  6. Step 6: Final answer
    x = 579,192.28

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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.