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Finding the Fourth Proportional to 581,805.24, 801,976.32 and 532,991.40

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Solution

The fourth proportional to 581,805.24, 801,976.32 and 532,991.40 is: 734,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,805.24 : 801,976.32 = 532,991.40 : x
  2. Step 2: Convert to fraction form
    581,805.24/801,976.32 = 532,991.40/x
  3. Step 3: Cross multiply
    581,805.24x = 801,976.32 × 532,991.40
  4. Step 4: Simplify right side
    581,805.24x = 427,446,481,563.65
  5. Step 5: Solve for x
    x = 427,446,481,563.65/581,805.24
  6. Step 6: Final answer
    x = 734,689.98

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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.