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Finding the Fourth Proportional to 571,417.88, 857,269.59 and 403,266.44

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Solution

The fourth proportional to 571,417.88, 857,269.59 and 403,266.44 is: 605,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,417.88 : 857,269.59 = 403,266.44 : x
  2. Step 2: Convert to fraction form
    571,417.88/857,269.59 = 403,266.44/x
  3. Step 3: Cross multiply
    571,417.88x = 857,269.59 × 403,266.44
  4. Step 4: Simplify right side
    571,417.88x = 345,708,053,663.23
  5. Step 5: Solve for x
    x = 345,708,053,663.23/571,417.88
  6. Step 6: Final answer
    x = 605,000.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.