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Finding the Fourth Proportional to 573,456.31, 859,647.13 and 194,111.74

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Solution

The fourth proportional to 573,456.31, 859,647.13 and 194,111.74 is: 290,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,456.31 : 859,647.13 = 194,111.74 : x
  2. Step 2: Convert to fraction form
    573,456.31/859,647.13 = 194,111.74/x
  3. Step 3: Cross multiply
    573,456.31x = 859,647.13 × 194,111.74
  4. Step 4: Simplify right side
    573,456.31x = 166,867,600,779.59
  5. Step 5: Solve for x
    x = 166,867,600,779.59/573,456.31
  6. Step 6: Final answer
    x = 290,985.73

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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.