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Finding the Fourth Proportional to 575,539.71, 863,376.26 and 191,322.96

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Solution

The fourth proportional to 575,539.71, 863,376.26 and 191,322.96 is: 287,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,539.71 : 863,376.26 = 191,322.96 : x
  2. Step 2: Convert to fraction form
    575,539.71/863,376.26 = 191,322.96/x
  3. Step 3: Cross multiply
    575,539.71x = 863,376.26 × 191,322.96
  4. Step 4: Simplify right side
    575,539.71x = 165,183,700,700.32
  5. Step 5: Solve for x
    x = 165,183,700,700.32/575,539.71
  6. Step 6: Final answer
    x = 287,006.61

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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.