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Finding the Fourth Proportional to 571,805.01, 857,379.36 and 216,592.47

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Solution

The fourth proportional to 571,805.01, 857,379.36 and 216,592.47 is: 324,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,805.01 : 857,379.36 = 216,592.47 : x
  2. Step 2: Convert to fraction form
    571,805.01/857,379.36 = 216,592.47/x
  3. Step 3: Cross multiply
    571,805.01x = 857,379.36 × 216,592.47
  4. Step 4: Simplify right side
    571,805.01x = 185,701,913,309.42
  5. Step 5: Solve for x
    x = 185,701,913,309.42/571,805.01
  6. Step 6: Final answer
    x = 324,764.40

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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.