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Finding the Fourth Proportional to 583,315.97, 805,000.83 and 325,192.87

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Solution

The fourth proportional to 583,315.97, 805,000.83 and 325,192.87 is: 448,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,315.97 : 805,000.83 = 325,192.87 : x
  2. Step 2: Convert to fraction form
    583,315.97/805,000.83 = 325,192.87/x
  3. Step 3: Cross multiply
    583,315.97x = 805,000.83 × 325,192.87
  4. Step 4: Simplify right side
    583,315.97x = 261,780,526,235.08
  5. Step 5: Solve for x
    x = 261,780,526,235.08/583,315.97
  6. Step 6: Final answer
    x = 448,779.97

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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.